Kev faib tawm thiab siv cov ntaub nyias nyias ziab tshuab

Muaj ob hom kev siv lub tshuab ziab khaub ncaws, lub nruas ntim tshuab kom qhuav thiab scraper zaj duab xis lub tshuab ziab khaub ncaws, uas feem ntau tsuas yog tsim rau kom ziab cov khoom xws li kev ncua, kev daws teeb meem, thiab colloids. Hom tshuab ziab khaub ncaws no yuav tsum tau ntxiv ib lub tshuab nyem lub ntsej muag kom muab cov ntaub ntawv tso tawm, uas tsis haum rau cov khoom siv cua sov uas muaj cov dej ntau dhau. Dyes feem ntau siv nyob rau hauv daim nyias nyias tshuab ziab khaub ncaws, chaw tsim tshuaj, khoom noj khoom haus thiab lwm yam tshuaj lag luam kev lag luam, hauv kev lag luam tshwj xeeb zas ua daim ntawv zas xim qhuav, thov siv dav heev. Cov ntsiab lus noo noo ntawm cov khoom yuav tsum tau ziab ua ntej ziab yog li 40% txog 80%, thiab cov ntsiab lus noo tsawg kawg ntawm cov khoom siv tom qab ziab tuaj yeem ncav cuag 3%.

https://www.heczb.com