正确答案: D

D．油压无键套合连接的桨锥孔与轴锥配合不必刮研

题目：关于螺旋桨轴的连接方式，下列说法不正确的是（）。

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学习资料的答案和解析：

[单选题]艉轴铜套损坏的主要形式有（）。Ⅰ.腐蚀；Ⅱ.裂纹；Ⅲ.过度磨损；Ⅳ.套合松动；Ⅴ.接缝不良。

Ⅱ+Ⅲ＋Ⅳ＋Ⅴ

[单选题]About half an hour before the engine is required, cooling water at （） must be circulated.

the working temperature

[单选题]Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine （） ahead and astern.

a brief trial on power

[单选题]To avoid scavenge fires occurring the engine timing and equipment maintenance （）.

should be correctly carried out