问题描述：
[单选]
Which cause of the following can lead to the engine not to start on air？
A．starting air pressure too high
B．correct timing of starting air valves
C．three of the starting valves stuck
D．the turning gear disengaged
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：Which factor of the following affects not only the fuels combustion but also the engine’s maintenance？
下一篇：When turning the engine with turning gear， you should keep the indicator cocks（）．
- 我要回答: 网友(216.73.216.119)
- 热门题目: 1.新造柴油机的活塞运动部件装船 2.Sulzer公司生产的大型低 3.当液压拉伸器的用油变质时，应