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

The officer of the watch should use radar when appropriate and at all times in（）waters.

A.congesting
B.congested
C.congestion
D.congest

你可能感興趣的試題

單項選擇題

The fitting of an efficient radar reflector is likely to considerably increase the ship’s probability of（）.

A.detection
B.being detected
C.the detective
D.the detected

單項選擇題

The description Racon beside an illustration on a chart would mean a（）.

A.radar transponder beacon
B.radar conspicuous beacon
C.radar calibration beacon
D.circular radiobeacon

<dl id="njk7y"></dl>

<ruby id="njk7y"><xmp id="njk7y"></xmp></ruby>

<dl id="njk7y"><strong id="njk7y"></strong></dl>

<em id="njk7y"></em>

<ins id="njk7y"></ins>