在废气涡轮增压系统中,一般都带有冷却器,也称中冷器,其作用是对()。
A.涡轮增压机进行冷却
B.涡轮轴承进行冷却
C.进气进行冷却
D.排气进行冷却
参考答案:C
The education system rather than the teachers ________ for the overburden on the students. [ ]
A. are to answer
B. is to answer
C. are answered
D. is answered
成人 * * 梗阻最常见的原因是()
A.结石
B.结核
C.肿瘤
D.狭窄
E.先天性后 * * 瓣膜