无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<th id="9yt5m"></th>

單項選擇題

（）is used for providing homing signals from survival craft for detection by 9Ghzradar.

A.NAVETEX receiver
B.Search and Rescue Transponder
C.Emergency Position Indicating Radio Beacon
D.Digital selective calling

你可能感興趣的試題

單項選擇題

（）is used for calling and replying,and for transmitting acknowleding and relaying distress alerts.

A.NAVETEX receiver
B.Search and Rescue Transponder
C.Emergency Position Indicating Radio Beacom
D.Digital selective calling

單項選擇題

（）provides a paper trace of course steered by the vessel against time.

A.The echo sounder
B.The radar
C.The course recorder
D.The direction finder

<pre id="omi8x"><acronym id="omi8x"></acronym></pre><blockquote id="omi8x"><acronym id="omi8x"></acronym></blockquote>

<ins id="omi8x"></ins>