Prior to entering a cargo pump room, you should ensure that （）.<br>A:the forced ventilating system is operating<br>B:the cargo pumps are secured<br>C:no monocarbon gases are present<br>D:the oily water separator is de-energized

Prior to entering a cargo pump room, you should ensure that （）.
A:the forced ventilating system is operating
B:the cargo pumps are secured
C:no monocarbon gases are present
D:the oily water separator is de-energized

出自：海船船员证

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