For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）. -题库考试答案搜索网

For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.

单选题

2022-01-10 02:42

A、cylinder casing
B、cylinder bore
C、crankcase door
D、aperture in the cylinder block

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正确答案

C

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标签：船舶动力装置海船船员考试

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