离心泵类型有水泵CB型,D型,(),(),()。
参考答案:SH型;耐腐蚀泵(F型);油泵Y型
A fire broke out in a commercial mall unexpectedly, ________ the customers and the persons working there fleeing for safety.
A.making
B.causing
C.forcing
D.sending
唐代创立九卿议刑制度的是()
A.唐局祖
B.唐局宗
C.唐太宗
D.唐玄宗