When it is necessary to open a refrigeration system for repairs and the system will be open for more than a few minutes, the open ends of the system should be （）. -题库考试答案搜索网

When it is necessary to open a refrigeration system for repairs and the system will be open for more than a few minutes, the open ends of the system should be （）.

单选题

2022-02-23 22:19

A、dehydrated
B、purged
C、plugged
D、evacuated

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正确答案

C

试题解析

标签：船舶辅助机械

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