Before using a fixed C02 system to fight an engine room fire,you must（）. A:secure the engine room ventilation B:secure the machinery in the engine room C:evacuate all engine room personnel D:ALL of the above

Before using a fixed C0₂ system to fight an engine room fire,you must（）.
A:secure the engine room ventilation
B:secure the machinery in the engine room
C:evacuate all engine room personnel
D:ALL of the above

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)