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

Stow the derricks （）before sailing.

A. fore and aft
B. up and down
C. port and starboard
D. left and right

你可能感興趣的試題

單項選擇題

We secure and tighten the lashing bars for the containers with （）.

A. turnbuckles
B. lashing bars
C. twist locks
D. lashing wires

單項選擇題

（）are used to secure the two containers, one on top of the other.

A. Turnbuckles
B. Lashing bars
C. Twist locks
D. Lashing wires