经济负荷时,变压器铁心的总损失()其绕组的总损失。
A.大于
B.小于
C.等于
D.不等于
参考答案:C
- ______ does your mother watch the Talk Show?
- Once a week.
A. How long B. How often C. How soon
与乌头相反的药物,应除外()。
A.玄参
B.白及
C.贝母
D.瓜蒌
E.半夏