A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? （） -题库考试答案搜索网

A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? （）

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2021-08-20 12:40

A、In the lower level of the pumproom
B、In the middle level of the pumproom
C、In the upper level of the pumproom
D、On the deck outside the pumproom

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正确答案

D

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标签：航海出版物

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