The blocking or absence of fire dampers can cause（）.<br>A:the accumulation of explosive gases<br>B:faster cooling of the fire<br>C:the fire to spread through the ventilation system<br>D:fixed foam systems to be ineffective

The blocking or absence of fire dampers can cause（）.
A:the accumulation of explosive gases
B:faster cooling of the fire
C:the fire to spread through the ventilation system
D:fixed foam systems to be ineffective

出自：海船船员证

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