酸洗槽内的酸洗介质是()
A、硝酸
B、硫酸
C、盐酸
参考答案:C
He didn't go into detail on this subject; he spoke ________.[ ]
A. in common
B. in particular
C. in general
D. in short
扶正祛邪的基本原则是
A.先扶正后祛邪
B.先祛邪后扶正
C.扶正祛邪并用
D.扶正不留邪,祛邪不伤正
E.扶正为主兼以祛邪