正确答案: D
A或B或C
题目:轴承若按合理校中原理校中时,采用的校中方法有()。
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学习资料的答案和解析:
[单选题]推进装置的推进效率为推进轴上总有效功率与推进装置消耗的热量之比,因此它与()无关。
A+B
[单选题]MANB&W型柴油机活塞杆填料函工作环的平面间隙和环端间隙超过规定值的()时,应当换新。
C.50%
[单选题]() is the removal of exhaust gases by blowing in fresh air.
Scavenging
[单选题]() is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
An air distributor
[单选题]Bearing knocks are likely to occur from ().
bearing wear
[单选题]If you are unable to stop a diesel engine by any other means,you should().
discharge a CO2 extinguisher in the air inlet