97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<ruby id="dgcmg"><xmp id="dgcmg">

單項(xiàng)選擇題

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

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

你可能感興趣的試題

單項(xiàng)選擇題

（）are used for lifesaving .

A. Life-jacket and lifebuoy
B. Freeboard
C. Telemeter
D. Draft

單項(xiàng)選擇題

Oil fires are best extinguished by （）.

A. cutting off the supply of oxygen
B. removing the fuel
C. spraying with water
D. adding oxygen

<pre id="58stp"><strong id="58stp"></strong></pre>

<pre id="58stp"><strong id="58stp"></strong></pre>

<ins id="58stp"></ins>

<dd id="58stp"></dd>