A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）. -题库考试答案搜索网

A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.

单选题

2022-01-04 16:10

A、one control
B、two controls
C、three controls
D、none of the above

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正确答案

A

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