A、To make them aware there is a fire
B、To let them know they should leave the engine room
C、To prevent possible injury from frostbite
D、To make them aware that ventilation will automatically stop
更多“Why is it necessary to warn engine room personnel before activating the fixed CO<sub>2</sub> system?（）”相关的问题
A、It is necessary to forward ARP requests to remote hosts. B、It is necessary when translated traffic belongs to the same subnet as the ingress interface. C、It is not automatic and you must configure it. D、It is enabled by default and you do not need to configure it.
A、They make it easier to replace the pump shaft packing B、They can be economically replaced as they wear out C、They can be removed when it is necessary to lighten the weight of the pump D、They increase the strength of the shaft
A、Because it is difficult to plan and manage B、Because it is cannot be well categorized C、Because it is a difficult work for people to undergo D、Because it is seldom researched by research
A、Because it was the first colony established by Britain in 1788. B、Because it is the biggest state in Australia. C、Because it is the most important state in Australia. D、Because it has the largest population in Australia.
A、A.To keep them dry，and thus easier to clean B、B.To remove fuel vapors which are heavier than air C、C.To provide adequate air to the engines D、D.To cool the machinery areas
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