言“仲景用药之法,全凭乎证,添一证则添一药,易一证则易一药”的是
A.清·陈修园
B.清·尤在泾
C.清·唐容川
D.清·徐忠可
参考答案:C
I told you the other day that Tom had agreed with your idea, ____________?
A.hadn’t he
B.didn’t he
C.did I
D.didn’t I
涤纶短纤维熔体纺丝生产中,压缩空气分工艺压缩空气和仪表压缩空气两种。