In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must().

A . actuate an alarm and open the engine room control valve B . actuate an alarm and open the engine room CO releasing valve C . open the engine room control valve and shut off engine room ventilation fans D . open the engine room control valve and then the CO releasing valve

时间:2022-09-08 13:30:07 所属题库:船舶电气与船舶安全题库

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