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Why is it necessary to warn engine room personnel before activating the fixed CO2 system?
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
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更多 “ Why is it necessary to warn engine room personnel before activating the fixed CO2 system?A.To make them aware there is a fireB.To let them know they should leave the engine roomC.To prevent possible injury from frostbiteD.To make them aware that ventilation will automatically stop ” 相关考题
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