99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

During a fire drill on a ship，what action is required?（）

A.Start each fire pump
B.Launch and run a lifeboat
C.Inventory rescue and fire equipment
D.Inspect fire hoses

你可能感興趣的試題

單項(xiàng)選擇題

Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.

A.outside
B.on class C fires
C.in an emergency
D.on class B fires

單項(xiàng)選擇題

Dry chemical fire extinguishers are effective on which type(s) of fire?（）

A.Burning oil
B.Electrical
C.Paint
D.All of the above

<blockquote id="zcfsf"></blockquote>