往复式压缩机组缓冲器的进口脉动压力()出口脉动压力。
参考答案:大于
In all kinds of competitions, Jackie ______ a most excellent athlete. He has won so many golden medals.
A.practises
B.conducts
C.behaves
D.proves
导致"心无所倚,神无所归,虑无所定,惊慌失措"的因素是()
A.喜
B.怒
C.思
D.惊
E.悲