Once a fire is detected the engine should be slowed downOn no account （）.
- Athe trunking should be opened up
- Bshould the trunking be opened up
- Cthe trunking should not be opened up
- Dshould the trunking not be opened u
问题
Once a fire is detected the engine sho
参考解析：
分类：船舶动力装置题库,海船船员考试题库
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