当前位置:在线题库搜索>[单选题]A cabinet or space containing the controls or valves for the fixed firefighting system must be().的答案是什么?

问题:

[单选题]A cabinet or space containing the controls or valves for the fixed firefighting system must be().

A、posted with instructions on the operation of the system
B、ventilated and equipped with explosion-proof switches
C、painted with red and black diagonal stripes
D、equipped with a battery powered source of emergency lighting

参考答案: A

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