（） should be tested and adjusted when the boiler survey is carried out. -题库考试答案搜索网

（） should be tested and adjusted when the boiler survey is carried out.

单选题

2022-07-11 09:09

A、The boiler oil tank
B、The steam pipe
C、The fire side
D、The safety valve

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正确答案

D

试题解析

标签：船舶辅助机械

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