无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<ruby id="zv0yo"><xmp id="zv0yo"></xmp></ruby>

單項選擇題

Where should life jackets be stowed?（）.

A.In the forepeak
B.In the wheelhouse
C.Throughout the accommodation spaces
D.In locked watertight and fireproof containers on or above the main deck

你可能感興趣的試題

單項選擇題

Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.

A.coaming
B.alarm
C.drain
D.fire sensor

單項選擇題

When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）

A.64 cubic feet
B.35 cubic feet
C.100 gallons
D.500 liters

<ins id="pcimq"></ins>