A grease gun is generally used to lubricate a （）. -题库考试答案搜索网

A grease gun is generally used to lubricate a （）.

单选题

2022-05-21 00:28

A、condensate pump ball bearing
B、main shaft bearing
C、main turbine bearing
D、diesel engine wrist pin bearing

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正确答案

A

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标签：船舶辅助机械

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