月经病的治疗原则重在:()
A.分先病后病
B.治本以调经
C.调理气血
D.调理冲任
E.补肾养肝
参考答案:B
Can you tell me ______ after this exam ?
A.what you did
B.what did you do
C.what will you do
D.what you will do
常见钎焊的方法有()钎焊等多种方法
A.熔化
B.烙铁
C.火焰
D.感应