正确答案: C

3年

题目：带有普通键槽的单螺旋桨轴或艉轴其检验间隔期为（）。

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学习资料的答案和解析：

[单选题]双轴系具有（）的特点。Ⅰ.高速；Ⅱ.便于操纵；Ⅲ.机动性好；Ⅳ.传动损失小；Ⅴ.生命力强。

Ⅰ＋Ⅲ＋Ⅴ

[单选题]The cross-head shoes are white metal lined, grooves being cut horizontally on the face of the white metal to ensure （）.

an adequate supply of lube oil

[单选题]In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.

piston

[单选题]Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）

Effective stroke

[单选题]The lower section of a piston is called the （）.

skirt