A.鎂尾水循環(huán)罐 B.塔尾水循環(huán)罐 C.濃鎂罐 D.稀鎂罐
A.0.3~0.6 B.0.6~0.9 C.0.9~1.2 D.1.2~1.5
A.1:2 B.1:3.5 C.1:5 D.1:6