正确答案: D
L上、L右、L下、L左
题目:测量曲轴臂距差时,曲轴旋转一周,可依次测得臂距值为()。
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学习资料的答案和解析:
[单选题]船上主柴油机吊缸检修时进行活塞运动部件的校正测量是为了()。
了解活塞运动部件在气缸中的状态
[单选题]曲轴臂距差的符号表明曲轴()。
受力方向
[单选题]() usually helps to induce air movement to assist combustion.
The piston movement
[单选题]It is important to use only pure lead and to choose a thickness of wire which is greater than the normal allowable clearance but () this amount.
not greater twice than
[单选题]The ship has a diesel engine()a supercharger.
with