增液汤主治便秘的病机是()
A.胃热肠燥
B.肾虚精亏
C.津液不足
D.热结阴亏
E.血虚肠燥
参考答案:D
----May I use your bicycle, Debby?
---- . It’s broken.
A.Yes, please.
B.I’m afraid not
C.Sure
D.No, thanks
发生哪些情况下应故障停辅机?