[单选题]中国船级社要求营运船舶的曲轴臂距差为()时,应限期修理。
正确答案 :C
>0.25S
[单选题]() the supercharge pressure is, () power an engine develops.
正确答案 :A
The higher;the more
[单选题]Before starting the turning gear, () should be worked by hand to minimize corrosive action on the liners.
正确答案 :C
the cylinder lubricators
[单选题]In a purifier changing to a gravity disc with larger hole diameter will move the interface towards the ().
正确答案 :A
bowl periphery
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