玻璃电极在使用前一定要在水中侵泡几小时,目的在于()。
A#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
B#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
C#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
D#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
A#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
B#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
C#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏
D#A.清洗电极#B.活化电极#C.校正电极#D.检查电极好坏