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

單項選擇題

Ship’s steering gear refers to（）.

A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system

你可能感興趣的試題

單項選擇題

Shell plating is（）.

A.the galvanizing on steel
B.a hatch cover
C.the outer plating of a vessel
D.synonymous with decking

單項選擇題

Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.

A.away from galleys，living quarters，or navigation spaces
B.only from areas equipped with power ventilation systems
C.from the open deck
D.isolated from sources of vapor ignition

<acronym id="9frl9"></acronym>

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

Ship’s steering gear refers to（）.

你可能感興趣的試題

Shell plating is（）.

Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.

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

Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.