Kev txiav txim los ntawm lub lim tiam no, kev lag luam pib yuav tsum tau txhim kho, kev txhawb nqa ntawm cov khoom siv yog txwv, qee cov neeg siv tau rov ua haujlwm ntxiv, thiab kev ua lag luam yuav thiab muag tau sov.Jiangsu Suopu, Shandong Yankuang cog tau rov pib ua haujlwm ib txwm, thiab Sinopec Ningxia Nenghua cog kuj tseem ua haujlwm li qub.Rov pib dua, cov khoom seem tau zoo lawm.Txawm li cas los xij, cuam tshuam los ntawm kev rov qab los ntawm cov khoom siv sab nraud, kev lag luam kev ntseeg siab hauv kev ua lag luam pom ntawm glacial acetic acid tseem txwv, yog li qhov ntim khoom yuav tsis pom tseeb.Ntawm qhov tod tes, nws xav tias kev lag luam glacial acetic acid feem ntau yuav raug teeb tsa lub lim tiam no, lossis tej zaum yuav muaj qhov nqaim nce.
Post lub sij hawm: Jun-27-2022