正确答案: C
Ⅰ+Ⅱ
题目:中间轴承挡油片对油环有()作用。Ⅰ.径向止动;Ⅱ.轴向定位
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学习资料的答案和解析:
[单选题]柱塞-套筒偶件卡紧或咬死是由于()原因所致。Ⅰ.机械杂质;Ⅱ.油压过高;Ⅲ.配合间隙太小;Ⅳ.零件材料热处理不完善;Ⅴ.材质不佳。
B.Ⅰ+Ⅲ+Ⅳ+Ⅴ
[单选题]桨叶上C区位于桨叶表面0.7R以外的部分,其内的缺陷通常允许()修理,但其工艺应符合规定。
焊补
[单选题]With the crank in position in the engine, some measurements can be taken by a special bridge gauge and ().
a feeler gauge
[单选题]If a four-stroke/cycle diesel engine is running at 1550 RPM, the speed of the camshaft will be().
775 RPM