The sprinkler system of an enclosed lifeboat is used to（）.<br>A:cool the craft in a fire<br>B:cool the engine<br>C:spray oil on the sea to calm it<br>D:spray personnel during a fire

The sprinkler system of an enclosed lifeboat is used to（）.
A:cool the craft in a fire
B:cool the engine
C:spray oil on the sea to calm it
D:spray personnel during a fire

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:【10250343】个 (题库试题定时更新)