The self-contained breathing device should not be used in which situation（）. -题库考试答案搜索网

The self-contained breathing device should not be used in which situation（）.

单选题

2022-01-02 03:39

A、Oxygen deficient spaces
B、Compartments containing poisonous vapors
C、Fighting fires that produce heavy smoke
D、Underwater search

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正确答案

D

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