Muab ob npaug rau cua tshuab ntxhua khaub ncaws
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Muab ob npaug rau cua tshuab ntxhua khaub ncaws
Muab ob npaug rau lub tshuab nqus tsev ntxhua khaub ncaws zoo heev rau kev ntxuav cov noob hnav thiab paj noob hlis thiab chia noob, Vim tias nws tuaj yeem tshem tawm cov plua plav nplooj thiab lub teeb impurities zoo heev.Lub tshuab nqus tsev ob chav cua tuaj yeem ntxuav lub teeb impurities thiab cov khoom txawv teb chaws los ntawm lub tshuab cua ntsug, Tom qab vibrating lub thawv tuaj yeem tshem tawm cov impurities loj thiab me thiab cov khoom txawv teb chaws.Lub caij no, cov khoom siv tuaj yeem sib cais ua qhov loj, nruab nrab thiab me me thaum sib txawv me me sieves.Lub tshuab no tuaj yeem tshem tawm cov pob zeb, Lub tshuab cua thib ob tuaj yeem tshem tawm cov plua plav tawm ntawm cov khoom kawg dua rau kev txhim kho cov noob hnav purity.
