Tus nqi ntawm dichloromethane tau poob qis thiab rov qab los, nrog rau qee qhov sib txawv hauv cheeb tsam. Thaum tus nqi nce siab, qhov kev lag luam tag nrho qeeb zuj zus, tshwj xeeb tshaj yog hauv Shandong thiab thaj chaw ib puag ncig uas cuam tshuam los ntawm huab cua daus hnyav thaum kawg ntawm lub lim tiam dhau los, nrog rau kev txo qis ntawm kev lag luam thiab kev nce maj mam ntawm cov khoom muag ntawm cov tuam txhab tsim khoom. Thaum kawg ntawm lub lim tiam, nws ib ntus tswj kev ua haujlwm ruaj khov.

2. Cov yam tseem ceeb uas cuam tshuam rau kev hloov pauv ntawm tus nqi lag luam tam sim no

Cov Khoom Muag: Cov khoom muag ntawm cov tuam txhab tsim khoom maj mam nce ntxiv, thiab cov khoom muag ntawm cov tub lag luam thiab cov khoom lag luam hauv qab yog siab dua qhov nruab nrab;

Kev Muab Khoom: Ntawm sab lag luam, kev teeb tsa thiab kev ua haujlwm yog qhov siab heev, thiab tag nrho cov khoom muag hauv kev ua lag luam txaus;

Tus nqi: Tus nqi ntawm cov kua chlorine tau poob qis mus rau qib qis dua, thiab kev txhawb nqa tus nqi rau dichloromethane tau qaug zog;

Kev Xav Tau: Qhov chaw xav tau ntawm kev ua lag luam yog qhov nruab nrab, thiab qhov xwm txheej xa khoom ntawm lub tuam txhab tseem yog qhov nruab nrab;

3. Kev kwv yees qhov sib txawv

Nyob rau hauv kev lag luam qeeb qeeb, kev ua lag luam dichloromethane tsis zoo, tab sis cov khoom muag tam sim no ntawm cov tuam txhab tuaj yeem tswj tau ib ntus, thiab cov nqi niaj hnub no ruaj khov ib ntus.

Yog tias koj xav tau cov ntaub ntawv ntxiv, thov xa email rau kuv.
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