Khoom noj khoom haus Extruder tshuab
Mingde Machinery: Tus Kws Tshaj Lij Crumb Ntau Lawm Kab Chaw Tsim Tshuaj
Peb ua raws li cov khoom lag luam zoo thiab coj los ntawm kev ncaj ncees thiab kev ntseeg siab. Peb muaj cov ntaub ntawv pov thawj ntawm kev ua tau zoo thiab kev pabcuam.
First-class Manufacturing Technology
Peb tsim cov kev daws teeb meem extrusion uas tuaj yeem koom ua ke nrog cov tswv ntawm lub Hoobkas thiab pab kom lawv tsim cov khoom siv los ntawm kos. Peb lub tshuab extrusion ua kom yooj yim rau kev sib koom ua ke thiab kev saib xyuas ntawm tus nqi qis thiab tsim cov txheej txheem kev txhawb zog rau cov neeg siv khoom.
Kev Ua Lag Luam nplua nuj
Peb cov khoom tau raug xa tawm mus rau ntau tshaj 80 lub teb chaws suav nrog Tebchaws Meskas, Poland, Canada, Mexico, thiab Brazil. Txhua tus ntawm peb cov tswv cuab yog cov kws tshaj lij thiab muaj kev paub dhau los thiab tuaj yeem pab peb cov neeg siv khoom online lossis offline.
Ntau yam khoom
Peb tuaj yeem muab cov neeg siv khoom nrog ntau hom kab ntau lawm thiab cov khoom siv, xws li cov khoom noj khoom noj khoom haus, cov khoom noj khoom noj tsiaj, cov khoom noj puffing tshuab, instant noodle ntau lawm kab, khoom siv nplej ntau lawm kab, khob cij crumb ntau lawm kab, paj kws ntau lawm kab, biscuit ntau lawm kab, etc.
Hwj chim Customization Muaj peev xwm
Peb muaj cov thawj tswj hwm, cov kws tshaj lij engineers thiab cov neeg ua haujlwm tau zoo. Cov neeg ua haujlwm no xyuas kom meej tias peb tuaj yeem muab cov khoom siv ib leeg lossis ua tiav lub Hoobkas tsim thiab cov kab ntau lawm kom tau raws li peb cov neeg siv khoom xav tau. Peb tau ua tiav ntau qhov haujlwm loj xws li 2-tuj khoom noj khoom haus.
Qeb khoom
Cov Khoom Kawg

Kev Taw Qhia luv rau Cov Khoom Noj Extruder Machine
Khoom noj khoom haus extruder tshuab muaj keeb kwm ntev heev, nrog rau cov nqaij extruders tau siv los ua cov hnyuv ntxwm thaum ntxov li xyoo 1870. Txij thaum ntawd los, cov khoom noj extrusion tshuab tau pom nws txoj hauv kev rau hauv cov khoom siv hauv chav ua noj txhua hnub, xws li tshuaj ntsuab thiab kas fes grinders, nqaij grinders, thiab pasta machines. Cov khoom siv no ua kom zoo ib yam, sib xws thiab cov khoom siv tau zoo thaum tsim cov khoom noj khoom haus loj. Cov khoom siv raw tuaj yeem ua tiav rau hauv cov khoom siv siav los yog cov khoom siv txias hauv ntau qhov ntau thiab tsawg, xim, duab thiab textures. Cov khoom noj uas muaj hmoov txhuv nplej siab tuaj yeem raug extruded zoo, xws li pasta, qhob cij, cereals, khoom noj txom ncauj thiab khoom qab zib. Khoom noj khoom haus extruders siv cov cua sov uas tsim los ntawm kev sib txhuam ntawm cov txheej txheem, nrog rau ib qho kev ua noj ua haus ntxiv, kom sib xyaw cov khoom xyaw ua ntej dhau cov khoom los ntawm pwm los ua cov khoom kawg.
Khoom noj khoom haus Extruder tshuab ua haujlwm li cas?
Nyob rau saum npoo, cov hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov khoom noj extrusion yog zoo sib xws nyob rau hauv txhua hom. Ua ntej, cov khoom siv raw yog pub rau hauv extruder chim thiab cov ntsia hlau (s) ces xa cov zaub mov rau nws. Ntxiv rau hauv lub thoob, muaj cov davhlau me me uas yuav txwv qhov ntim thiab ua rau muaj kev tiv thaiv rau kev txav ntawm cov zaub mov. Yog li ntawd, lub thoob tau ntim thiab qhov chaw nruab nrab ntawm cov ntsia hlau ya davhlau thiab ua compressed. Raws li nws txav mus ntxiv raws lub thoob, cov ntsia hlau yuav knead cov khoom mus rau hauv ib nrab, plasticized loj. Cov txheej txheem kub extrusion muaj cua sov tshaj 100ºC. Nyob rau hauv rooj plaub no, qhov sib txhuam ntawm cov cua sov thiab lwm cov txheej txheem cua sov ntxiv ua rau qhov kub thiab txias kom nce sai.Kuj, qhov me me ntawm lub thoob ntawm lub thoob ua rau lub siab thiab shearing. Thaum kawg, tag nrho cov ntsiab lus raug yuam los ntawm ib lossis ntau qhov kev txwv qhib (tuag) ntawm qhov kawg ntawm lub thoob. Thaum cov zaub mov tawm hauv siab los ntawm qhov tuag, nws nthuav mus rau qhov kawg ntawm cov duab thiab tom qab ntawd txias sai sai los ntawm kev tawm ntawm cov dej raws li chav. Ntawm no, muaj ntau yam duab, rods, spheres, donuts, raj, strips los yog plhaub tau tsim.

Nta ntawm Cov Khoom Noj Extruder Machine
- Cov zaub mov extruder tuaj yeem nruab nrog ntau txoj kev pub mis thiab pub mis, uas tuaj yeem paub txog kev ntsuas thiab ntau ntxiv ntawm ntau yam khoom.
- Khoom noj khoom haus extruders feem ntau yog nruab nrog lub tshuab ua kom txias txias kom tswj tau qhov kub thiab txias.
- Cov zaub mov extruder muaj cov qauv compact thiab kev ua haujlwm siab. Tsis tsuas yog lawv muaj kev sib kis tau zoo thiab tsis tshua muaj suab nrov, lawv kuj yooj yim rau kev khiav lag luam thiab tswj.
- Cov ntsia hlau tsim muaj lub zog ntawm kev tu tus kheej, yog li thaum hloov cov qauv thiab cov khoom siv ntau yam, cov neeg siv yuav luag tsis tas yuav tsum nres lub tshuab ntxuav.
- Cov ntsia hlau muaj zog siv zog thiab muaj zog stagnation thiab diffusion nyhuv ntawm cov khoom. Yog li ntawd, cov extruders no ceev ceev thaum ua kom cov khoom zoo ib yam.
- Lub tshuab txiav tuaj yeem hloov kho tau yooj yim, thiab qhov sib txawv ntawm cov riam txiav thiab cov qauv tuaj yeem hloov kho tau yooj yim. Khoom noj khoom haus extruder tuam ntxhab tuaj yeem npaj cov qauv sib txawv raws li tus neeg siv xav tau los xyuas kom meej tias cov khoom noj ntawm cov khoom sib txawv thiab cov duab tuaj yeem tsim tau.
- Qee cov qauv muaj kev ua haujlwm ntub thiab qhuav.
Qhov zoo ntawm Food Extruder Machine
Khoom noj khoom haus extruders yog ntau yam tshuab uas siv tau nyob rau hauv ntau yam kev lag luam. Lawv tsim cov khoom xws li khoom qab zib, khoom noj txom ncauj, thiab lwm yam khoom noj me me. Muaj ntau qhov zoo rau kev siv khoom noj txom ncauj extruders hauv koj lub lag luam.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev siv cov khoom noj extruder yog tias nws muab cov khoom zoo ib yam. Cov khoom noj txom ncauj extruder tuaj yeem ua tiav sai thiab yooj yim ua tiav cov haujlwm molding ntawm cov khoom noj txom ncauj yam tsis tas yuav manually shape lawv nrog koj txhais tes. Ntxiv rau, txij li cov txheej txheem tsim khoom ntawm cov tshuab no feem ntau yog qhov tseeb, koj tuaj yeem paub tseeb tias qhov zoo ntawm koj cov khoom noj txom ncauj yuav zoo ib yam los ntawm batch mus rau batch.
Ib qho txiaj ntsig yog cov khoom noj extruders ceev thiab ua haujlwm tau zoo. Lawv tuaj yeem tsim cov khoom lag luam zoo ntawm cov nplai loj. Qhov no txhais tau tias koj tuaj yeem tsim cov khoom tshiab thiab hloov pauv sai sai yam tsis tas yuav txhawj xeeb txog kev tsim khoom qeeb lossis nqi. Los ntawm automating qee yam ntawm cov txheej txheem tsim khoom, koj tuaj yeem tso koj cov neeg ua haujlwm kom tsom mus rau cov haujlwm tseem ceeb dua. Ntxiv rau, vim tias cov khoom noj txom ncauj feem ntau yog ib qho ntawm cov khoom nrov tshaj plaws ntawm lub tsev noj mov cov zaub mov, siv cov khoom noj txom ncauj extruder tshuab tuaj yeem ua rau koj lub tsev noj mov muaj kev sib tw.
Lwm qhov zoo ntawm cov khoom noj txom ncauj extruders yog tias lawv muaj ntau yam. Koj tuaj yeem siv lawv los tsim ntau hom khoom noj txom ncauj, nrog rau cov uas muaj cov tsw qab lossis textures. Qhov no txhais tau tias koj tuaj yeem tsim cov khoom lag luam uas txaus siab rau ntau tus neeg siv khoom. Lawv tau siv los tsim ntau hom khoom noj txom ncauj, xws li qos yaj ywm chips, breaded qaib nuggets, thiab macaroni thiab cheese tom. Cov tshuab no feem ntau siv cov phaj kub kub los ua cov khoom noj txom ncauj rau hauv cov duab tshwj xeeb, xws li tuav lossis chips.
Khoom noj khoom haus extruders tuaj yeem siv los tsim kev cai formulations. Qhov no txhais tau hais tias koj tuaj yeem hloov kho cov zaub mov uas siv hauv cov tshuab kom paub meej qhov ua tau zoo thiab raug. Qhov no tso cai rau koj los tsim cov khoom lag luam tshwj xeeb rau koj cov kev xav tau thiab kev nyiam. Khoom noj khoom haus extrusion tshuab kuj tuaj yeem pab koj lub lag luam tswj nws cov khoom lag luam zoo dua.
Khoom noj khoom haus Extruder Tshuab Specifications
|
Qauv |
MD -65 |
MD -70 |
MD -85 |
MD -100 |
|
Voltage customized |
380v / 50Hz |
380v / 50Hz |
380v / 50Hz |
380v / 50Hz |
|
Nruab lub zog |
22 kwv |
45 kwv |
55 kwv |
110 kwv |
|
Muaj peev xwm |
120-150kg/h |
200-300kg/h |
400-800kg/h |
1000-2000kg/h |
|
Ntev |
26m |
28m |
45m |
45m |
Ob Lub Tshuab Extrusion hauv Khoom Noj Extruder Tshuab
Muaj ob hom txheej txheem extrusion

Txias Extrusion
Daim ntawv thov tseem ceeb ntawm txias extruders yog nyob rau hauv pasta ntau lawm, txawm hais tias cov cav tov zoo sib xws yog siv los ua biscuit khob noom cookie rau hauv cov duab sib txawv. Lub pasta extruder yog siv los ua ntau hom nplej zom siv lub khob noom cookie ua los ntawm durum nplej hmoov (los yog 'semolina') thiab qe (yeem). Cov pasta xim kuj tuaj yeem ua los ntawm kev ntxiv cov txiv lws suav purée lossis spinach paste thiab lwm yam khoom siv sib txawv, los ntawm cov tshuab me me uas siv rau hauv micro-scale ntau lawm thiab cov chaw muag khoom noj, mus rau cov tshuab hluav taws xob loj. Cov cuab yeej muaj chav sib xyaw ua ke, extruder chim thiab tuag rau qhov xav tau cov nplej zom. Muaj kev sib cav txog cov khoom siv zoo tshaj plaws rau kev tuag, nrog qee cov cuab yeej siv cov hlau tsis muaj hlau lossis yas, thiab lwm tus nyiam cov tooj liab tuag, uas lawv thov imparts qhov ntxhib nto rau cov nplej zom uas tuav cov ntses zoo dua cov nplej zom los ntawm lwm txoj kev. Cov duab raug txiav mus rau qhov tsim nyog ntev thaum lawv tawm ntawm qhov tuag, tshwj tsis yog rigatoni, uas yog extruded nyob rau hauv ntev ntev thiab ces txiav mus rau qhov loj me me (ncaj rau rigatoni los yog angled rau penne rigati). Pasta yog siav tam sim ntawd hauv cov chaw muag khoom noj, los yog qhuav los ntawm cov txheej txheem rau cov khw muag khoom muag. Nws tseem tuaj yeem khov tau ntev txog rau lub hlis.
Kub Extrusion
Extruders tej zaum yuav yog ib leeg-los yog twin-ntsuab tshuab. Twin-screw machines muaj kwv yees li ob npaug ntawm lub peev thiab kev saib xyuas cov nqi ntawm ib lub tshuab ntsia hlau thiab tsis zoo li yuav pheej yig los ntawm cov txheej txheem me me feem ntau piv rau ib leeg-ntsia hlau extruders. Ob yam uas tswj xyuas hom thiab zoo ntawm cov khoom noj uas tsim los ntawm kub extrusion yog cov kev khiav hauj lwm nyob rau hauv lub extruder chim thiab sib tov ntawm cov khoom xyaw uas siv.

Daim ntawv thov ntawm Khoom noj khoom haus Extruder Machine
Khoom noj khoom haus extruders yog siv nyob rau hauv kev lag luam ua zaub mov los tsim extruded zaub mov thiab tsiaj pub rau tib neeg noj thiab ntxiv tus nqi rau cov zaub mov pov tseg thiab by-products. Extrusion yog ib qho txiaj ntsig zoo ntawm kev rov ua cov khoom noj khoom haus thiab cov khoom seem rau hauv cov khoom noj.
Khoom noj khoom haus extruders yog siv los tsim khoom noj txom ncauj, noj tshais cereals, nqaij thiab cheese analogues, ntxiv cov khoom noj, tus me nyuam pub thiab ntau yam khoom noj textured. Extrusion ua noj yog ib txoj hauv kev tsim cov khoom noj gelatinized, xws li zom cov pos hniav thiab licorice, los ntawm kev sib xyaw ntawm qab zib, qabzib thiab cov hmoov txhuv nplej siab. Lub tshav kub gelatinizes cov hmoov txhuv nplej siab, dissolves cov suab thaj, thiab evaporates tej dej seem ua ntej nws yog drained los ntawm lub tshuab.
Khoom noj khoom haus extruders muab kev yooj yim hauv kev tsim cov nqi qis, muaj txiaj ntsig zoo thiab khoom noj khoom haus yooj yim. Cov zaub mov Extruded muaj peev xwm los hloov cov khoom noj txom ncauj uas tsis muaj zaub mov noj. Extrusion technology nce cov khoom noj khoom haus cov ntsiab lus ntawm cov khoom thaum txo cov tshuaj tiv thaiv xws li phytic acid thiab tannins thiab txhim kho protein digestibility thiab kev ua haujlwm antioxidant.
Yam tseem ceeb uas yuav tsum tau xav txog thaum xaiv lub tshuab ua zaub mov Extruder
Thaum xaiv lub tshuab extrusion zaub mov, muaj ntau yam los xav txog. Cov tshuab no xav tau los ua cov khoom noj xws li nplej zom, khoom noj txom ncauj, zaub mov tsiaj, thiab lwm yam. Nov yog qee yam tseem ceeb uas yuav tsum nco ntsoov thaum xaiv cov khoom noj khoom haus zoo rau koj lub lag luam:
Hom Extruder
Rau kev ua zaub mov, koj yuav tsum txiav txim siab yog tias koj xav tau ib tus ntsia hlau extruder lossis ntxaib-ntsia hlau extruder. Ntau tus kws tshaj lij xav tias tom kawg yog qhov kev xaiv zoo dua vim tias nws siv lub zog tsawg dua thiab yooj yim los tswj thiab ntxuav. Tsis tas li ntawd, ib tug ntxaib-ntsia hlau extruder muaj kev txhim kho cov pa zoo nrog rau cov khoom siv yooj yim thauj khoom. Tsis tas li ntawd, piv rau ib leeg-ntsia hlau extruders, ntxaib-ntsia hlau extruders muab kev yooj yim dua, kev tswj hwm, thiab kev tsim khoom hauv kev pub khoom noj thiab khoom noj. Ib leeg-ntsia hlau extruder, ntawm qhov tod tes, muab kev txhim khu kev qha thiab siab ceev extrusion, thiab zoo thauj thiab sib tov cov khoom.
Muaj peev xwm
Lub peev xwm ntawm extruder yog qhov tseem ceeb uas yuav tsum tau xav txog. Nws yog ib qho tseem ceeb uas yuav tau xaiv lub tshuab uas tuaj yeem tswj qhov ntim ntawm cov khoom koj xav tau los tsim.
Yam khoom
Lwm qhov tseem ceeb uas yuav tau xav txog yog yam khoom koj xav ua. Cov khoom sib txawv xav tau cov tshuab extrusion sib txawv. Piv txwv li, yog tias koj tab tom npaj ua cov nplej zom, koj xav tau lub tshuab uas tuaj yeem tuav lub khob noom cookie thiab tsim nws. Ib yam li ntawd, yog tias koj tab tom tsim khoom noj txom ncauj, koj xav tau lub tshuab uas tuaj yeem ua ntau yam khoom xyaw thiab textures.
Zoo
Qhov zoo ntawm extruder yog qhov tseem ceeb vim nws tuaj yeem cuam tshuam rau qhov zoo ntawm koj cov khoom. Nrhiav ib lub tshuab uas muaj peev xwm muab tau zoo ib yam thiab sib xws. Lub extruder kuj yuav tsum tau ruaj thiab yooj yim los tswj.
Nqi
Nws yog ib qho tseem ceeb uas yuav tau xav txog ntau npaum li cas tus extruder yuav raug nqi, tshwj xeeb tshaj yog tias koj khiav lag luam me. Txawm li cas los xij, nws yog ib qho tseem ceeb kom sib npaug tus nqi nrog qhov zoo thiab muaj peev xwm.
Kev them nyiaj yug tom qab muag
Lub tshuab extrusion qhov kev txhawb nqa tom qab muag kuj tseem ceeb heev. Nrhiav ib lub chaw tsim khoom uas yuav pab koj kawm paub siv thiab saib xyuas lub tshuab kom zoo.
Kev nyab xeeb
Kev nyab xeeb ntawm extruder yog lwm qhov tseem ceeb uas yuav tsum tau xav txog. Xyuas kom lub tshuab ua tau raws li cov cai tswj kev nyab xeeb thiab muaj kev nyab xeeb los tiv thaiv kev sib tsoo.
Kev Nyab Xeeb Kev Nyab Xeeb rau Kev Ua Haujlwm Khoom Noj Extruder Machine
Kev khiav hauj lwm cov khoom noj khoom haus extruders suav nrog qee yam kev ntsuas kev nyab xeeb los xyuas kom cov neeg ua haujlwm noj qab haus huv thiab ua kom muaj kev nyab xeeb ntawm kev ua haujlwm. Nov yog qee cov lus qhia txog kev nyab xeeb rau kev khiav hauj lwm cov zaub mov extruder

Paub koj tus kheej nrog cov cuab yeej
Nkag siab txog cov lus qhia ua haujlwm, cov yam ntxwv kev nyab xeeb, thiab cov txheej txheem kaw thaum muaj xwm txheej ceev tshwj xeeb rau cov khoom noj extruder koj siv. Ua raws li cov chaw tsim khoom cov lus qhia thiab tuaj koom cov kev cob qhia tsim nyog.
Cov Khoom Siv Tiv Thaiv Tus Kheej (PPE)
Hnav PPE tsim nyog, xws li tsom iav, hnab looj tes, thiab khaub ncaws tiv thaiv, tiv thaiv kev raug mob los ntawm ya cov khib nyiab, qhov chaw kub, los yog kev sib cuag nrog cov tshuaj.
Khaws thaj chaw ua hauj lwm kom huv si thiab npaj
Tuav lub chaw ua haujlwm tsis muaj kev sib tsoo kom txo tau qhov xwm txheej. Tshem tawm cov kev cuam tshuam lossis kev puas tsuaj los ntawm qhov chaw nyob ib puag ncig cov khoom noj extruder.
Kev tswj kub thiab siab
Yuav tsum paub txog qhov kub thiab txias qhov chaw ntawm lub extruder. Ua raws li cov lus qhia pom zoo kom tsis txhob muaj cua sov, tawg, lossis lwm yam kev nyab xeeb.
Saib xyuas cov khoom noj
Xyuas kom meej tias cov khoom raug pub rau hauv extruder yog haum rau lub tshuab specifications. Tsis txhob overloading lub extruder, vim tias nws tuaj yeem ua rau kev ua haujlwm tsis zoo lossis muaj kev nyab xeeb.

Ua raws li cov txheej txheem Lockout/Tagout
Ua ntej ua haujlwm tu lossis tu, xyuas kom cov zaub mov extruder raug kaw thiab kaw kom raug lossis tagged tawm kom tsis txhob muaj kev sib tsoo lossis tso tawm lub zog cia.

Tiv thaiv kom tsis txhob nkag mus rau qhov txav chaw
Tsis txhob ncav cuag lossis ze ntawm lub extruder thaum nws ua haujlwm. Tos kom nws tuaj yeem nres ua ntej ua qhov kev hloov kho, tu, lossis tu.

Tsis tu ncua thiab tshuaj xyuas
Ua niaj hnub tshuaj xyuas ntawm lub tshuab extruder txhawm rau txheeb xyuas cov cim ntawm kev hnav, kev puas tsuaj, lossis ua haujlwm tsis zoo. Khaws cov khoom siv kom zoo thiab daws txhua yam teeb meem tam sim ntawd.

Kev npaj xwm txheej kub ntxhov
Paub koj tus kheej nrog cov txheej txheem xwm txheej ceev, suav nrog qhov chaw ntawm qhov chaw tawm thaum muaj xwm txheej ceev, tua hluav taws, thiab cov khoom siv pab thawj zaug. Paub yuav ua li cas teb rau tej xwm txheej kub ntxhov, xws li hluav taws kub, hluav taws xob, lossis khoom siv tsis raug.
Peb Ntim
Peb yuav ntim koj lub tshuab raws li hauv qab no

Peb lub Hoobkas
Nov yog daim duab ntawm peb lub Hoobkas


Qhov kawg Guide
Q: Dab tsi yog qhov cuam tshuam rau cov khoom noj extrusion?
Q: Yuav ua li cas yog lub tshuab extruder ua haujlwm?
Q: Yuav ua li cas extrusion cuam tshuam cov zaub mov zoo?
Q: Vim li cas cov zaub mov extrusion tseem ceeb?
Q: Dab tsi yog kev siv extruder hauv kev lag luam zaub mov?
Q: Dab tsi yog qhov piv txwv ntawm extrusion hauv kev ua zaub mov?
Q: Dab tsi yog daim ntawv thov ntawm cov khoom noj extrusion?
Q: Dab tsi yog keeb kwm ntawm zaub mov extruder?
Q: Khoom noj khoom haus extrusion yog dab tsi?
Q: Dab tsi yog qhov ntawm cov khoom noj extruder?
Q: Yuav ua li cas yog tias extruder kub dhau?
Q: Cov khoom noj dab tsi tuaj yeem extruded?
Q: Dab tsi ntawm extruder feem ntau siv hauv kev ua zaub mov?
Q: Dab tsi yog cov khoom ntawm extruded khoom noj khoom haus?
Q: Yuav ua li cas yog extruder cua sov?
Q: Dab tsi yog qhov khoom noj txom ncauj extruder?
Q: Yuav ua li cas xaiv cov khoom noj txom ncauj extruder?
Q: Yuav ua li cas cov zaub mov extruder txuag lub sij hawm thiab nyiaj txiag?
Q: Yuav ua li cas mus cuag lub neej kev pab cuam ntawm zaub mov extruder?
Q: Yuav ua li cas qhia yog tias cov ntsia hlau ntawm cov khoom noj extruder hnav?
Raws li ib qho ntawm cov khoom noj khoom haus extruder tshuab manufacturers thiab cov neeg muag khoom nyob rau hauv Suav teb, peb sov siab txais tos koj mus yuav cov khoom noj khoom haus zoo extruder tshuab ntawm tus nqi sib tw los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab cov khoom zoo yog muaj.

















