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

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

<ins id="sahqt"></ins>

<dl id="sahqt"></dl>

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

<dl id="sahqt"></dl>

單項(xiàng)選擇題

（）is used for receiving maritime safety information which is automatically printed by the receiver.

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(xiàng)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

單項(xiàng)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

<ruby id="je9mz"></ruby>

<pre id="je9mz"><strong id="je9mz"></strong></pre>

<ruby id="je9mz"></ruby>

<pre id="je9mz"></pre>