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="r4duv"><xmp id="r4duv"></xmp></ruby>

<ruby id="r4duv"><xmp id="r4duv"></xmp></ruby>

<sup id="r4duv"><legend id="r4duv"><s id="r4duv"></s></legend></sup>

<pre id="r4duv"><acronym id="r4duv"></acronym></pre>

<blockquote id="r4duv"><acronym id="r4duv"></acronym></blockquote>

單項選擇題

If the towline parts，you should（）.

A.start towing by pushing ahead
B.abandon the towing vessel
C.retrieve the tow bridle
D.relieve strain on the retrieving line

你可能感興趣的試題

單項選擇題

If the towing bridle legs are not of equal length（）.

A.excessive strain is placed on the shorter leg
B.the shorter leg may fail
C.the longer leg is slack
D.All of the above

單項選擇題

If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.

A.change course
B.slow down
C.heave to
D.adjust tow line length

<dd id="5g5lw"></dd>

<pre id="5g5lw"><strong id="5g5lw"></strong></pre>