正确答案: A

堆焊后光车

题目：舵杆轴颈表面腐蚀面积＞25%总面积时，应进行（）。

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学习资料的答案和解析：

[单选题]柴油机冷态即环境温度下测量曲轴臂距差具有测量值（）。Ⅰ.准确；Ⅱ.符合规范；Ⅲ.稳定；Ⅳ.便于操作；Ⅴ.不受温度影响。

Ⅰ＋Ⅲ＋Ⅳ

[单选题]An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.

opening

[单选题]Bearing knocks are likely to occur from （）.

bearing wear

[单选题]Generally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative （）, so that surfaces dont get touch with each other.

motion

[单选题]Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will （）.

reduce engine horsepower output