cac ban oi, cho minh hoi trong he thong binh chua NaOH 20m3, dung bom vao cac thiet bi trong nha may . Ngoai tram chua NaOH co bom, dong ho. Tuy nhien co 1 binh chua khac khoang 1m3 , dan 2 ong DN15 cap va hoi vao tank chua NaOH, khong biet co ban nao chi dum bon 1m3 de lam gi khong.
Minh nghi la de trung hoa . k biet co dung k. Hoa chat hay la nuoc co ban nao biet khong.
Cam on cac ban truoc nhe.
Minh nghi la de trung hoa . k biet co dung k. Hoa chat hay la nuoc co ban nao biet khong.
Cam on cac ban truoc nhe.