A.0.3L/min B.0.4L/min C.0.5L/min D.0.6L/min E.0.7L/min
A.Ca(OH) B.NaOH和KOH C.Ba(OH) D.甲基橙 E.硅酸鹽
A.0.1% B.0.2% C.0.3% D.0.5% E.0.6%