问题描述:
[单选]
The engine is started with()supplied from air receivers.
A.pressure oil
B.pressure water
C.compressed air
D.cooling water
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答案解析:无
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上一篇:The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and()of the pistons in the cylinders.
下一篇:The engine is reversed by axial displacement of the camshafts In order for this to be carried out, the cams are()with inclined transition faces.
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