Puas yog txiv pos nphuab mushy tom qab khov?
Aug 09, 2019
YOG, Cov kab npauj txiv pos nphuab tau zoo siv tam sim ntawd tom qab thwm, vim hais tias cov ntawv sau ntawm cov txiv pos nphuab ua mos muag thiab mushy tom qab tsis ua haujlwm thiab yooj yim rau effluent. Hais txog xim, nws yuav tsis hloov yog tias khaws hauv 18 degrees Celsius.
