Dab tsi koj yuav tsum paub ua ntej yuav khoom siv tshuaj tsuag kom qhuav

Cov khoom siv tshuaj tsuag kom qhuav yog siv dav hauv ntau qhov chaw, uas suav nrog kev yuav cov tshuaj tsuag tshuab ziab khaub ncaws. Kev yuav khoom siv tsis raug yuav siv cov neeg ua haujlwm thiab cov khoom siv thaum nws muab tso rau hauv. Kev yuav cov khoom siv tshuaj tsuag kom qhuav ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev ruaj ntseg ntawm cov tuam txhab cov ntaub ntawv, kev txhim kho cov khoom lag luam kev nyab xeeb, thiab txo cov kev pheej hmoo ntawm kev ruaj ntseg. Yog li cov ntaub ntawv dab tsi koj yuav tsum paub ua ntej yuav khoom siv tshuaj tsuag kom qhuav:
1. Lub npe thiab lub cev lub cev ntawm cov khoom ua kua: cov ntsiab lus khoom (lossis cov ntsiab lus dej), viscosity, qhov nro, thiab PH nqi.
2. Cov hmoov muaj peev xwm tom qab ziab, tso cai rau cov khoom seem ntawm cov dej noo, qhov loj me, thiab qhov kub thiab txias.
3. Cov khoom tso tawm thiab cov sijhawm ua haujlwm txhua hnub.
4. Muaj lub zog: muaj chav siab, muaj peev xwm hluav taws xob, muaj cov thee, roj, thiab roj.
5. Kev tswj cov kev cai: Txawm tias qhov kub thiab qhov hluav taws xob yuav tsum tau tswj tau.
6. Cov kev xav tau rau kev sau cov hmoov: seb puas yuav txhim kho lub hnab ntim khoom thiab ib puag ncig yuav tsum tau ua rau cov pa pa tawm.
7. Cov kev cai tshwj xeeb rau cov khoom siv thiab tshuab

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