For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through （）.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For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through （）.

单选题

2022-01-10 02:42

A、the cylinder cover
B、the bottom of bed-plate
C、the sump
D、the crankcase door

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正确答案

D

试题解析

标签：船舶动力装置海船船员考试

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