美[?'s?d?fa?] 1 . It was most advantageous to the coagulation that made the raw influent wastewater acidify 20 hours.
對(duì)豬場(chǎng)廢水酸化20h對(duì)混凝最為有利.
來(lái)自互聯(lián)網(wǎng)
1.make sour or more sour
2.turn acidic;
the solution acetified
