正确答案: C
to prevent
题目:During the inspection, the starting air valves should be closed () the engine from turning.
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学习资料的答案和解析:
[单选题]不同动力装置,起航时间不同,低速柴油机比中速柴油机时间(),冬季约为()h。
长/2
[单选题]采用压铅法测量主轴承的轴承间隙时,不应(),以免破坏测量工作。
盘车
[单选题]船轴腐蚀主要发生在()。
艉轴
[单选题]艉轴铜套产生()时,应采用换新铜套。Ⅰ.磨损;Ⅱ.腐蚀;Ⅲ.壁厚过薄;Ⅳ.套合松动;Ⅴ.接缝渗水。
Ⅲ+Ⅳ+Ⅴ
[单选题]The lubricating pipes and dusts should be blown out with ().
compressed air
[单选题]Proper filtering and straining of fuel oil is important because the ().
fuel injectors may be damaged by foreign particles in the fuel oil