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

<sup id="m4257"><legend id="m4257"><div id="m4257"></div></legend></sup>

單項(xiàng)選擇題

A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.

A.tow strain
B.catenary length
C.being in step
D.Williamson's Tow

你可能感興趣的試題

單項(xiàng)選擇題

A towboat has the same draft as the barges it is pushing ahead. If the distance from the stern of the towboat to the head of the tow is 260m，where is the approximate location of the pivot point of the unit?（）

A.At the head of the tow
B.75m from the head of the tow
C.120m from the head of the tow
D.180m from the head of the tow

單項(xiàng)選擇題

A tow that veers to the side on the end of the towline is said to（）.

A.yaw
B.surge
C.sway
D.swing

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