Cmax最大的是()
A.制剂A
B.制剂B
C.制剂C
D.相同
E.不能确定
参考答案:A
解析:
t是达峰时间,C是峰浓度,达峰时间最长的是C,C最大的是A。
—We don't know _____________.
—It is said that he was born in Sweden. [ ]
A. what he is
B. if he lives here
C. where he comes from
D. which country is he from
离心泵长时间反转,不会使叶轮的固定螺母松动。