16V240ZJB型柴油机主轴瓦紧余量为()mm
A.0.06~0.10
B.0.07~0.11
C.0.08~0.12
D.0.09~0.13
参考答案:C
Peter _____ the papers he was marking and reached for his cigarettes and matches. [ ]
A. set out
B. set off
C. set in
D. set aside
频率过低对汽轮机的安全运行有什么影响?