A.LgK穩(wěn)>10 B.LgK穩(wěn)<10 C.LgK穩(wěn)>6 D.LgK穩(wěn)<6 E.LgK穩(wěn)在8附近
A.碳酸鈣 B.碳酸鎂 C.重碳酸鈣 D.重碳酸鎂 E.硫酸鈣
A.50mg,100mg B.150mg,100mg C.200mg,100mg D.100mg,50mg E.75mg,50mg