單項(xiàng)選擇題

起貨機(jī)出故障時(shí)，水手要去叫電工來修理。（）

A. When the windlass is in trouble, the sailor must go and call the electrician to repair it.
B. When the derrick is in trouble, the sailor must go and call the electrician to repair it.
C. When the winch is in trouble, the sailor must go and call the electrician to repair it.
D. When the winch is in trouble, the sailor must go and call the carpenter to repair it.

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單項(xiàng)選擇題

水手應(yīng)該知道船上吊桿的安全工作負(fù)荷。（）

A. Sailors should know the SWL of cranes on board their ship.
B. Sailors should know the SWL of derricks on board their ship.
C. Officers should know the SWL of derricks on board their ship.
D. Officers should know the SWL of cranes on board their ship.

單項(xiàng)選擇題

集裝箱是由龍門吊裝卸。（）

A. Containers are loaded and discharged by gantry cranes.
B. Cases are loaded and discharged by gantry cranes.
C. Cases are loaded and discharged by heavy derricks.
D. Containers are loaded and discharged by heavy derricks.

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起貨機(jī)出故障時(shí)，水手要去叫電工來修理。（）

你可能感興趣的試題

水手應(yīng)該知道船上吊桿的安全工作負(fù)荷。（）

集裝箱是由龍門吊裝卸。（）

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

起貨機(jī)出故障時(shí)，水手要去叫電工來修理。（）

集裝箱是由龍門吊裝卸。（）