正确答案: D

防止海水进入艉轴承和防止滑油漏泄

题目：油润滑艉轴承尾端密封装置的作用是（）。

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学习资料的答案和解析：

[单选题]吊缸检修完毕，对柴油机应进行（）后方可投入正常使用。

磨合试验

[单选题]（） the cylinder will contain a great weight of air and will be capable of burning a great quantity of fuel.

At the beginning of the compression stroke

[单选题]Bedplates are the （） of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.

foundatio