日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

radio beacon

radio beacon是什么意思、radio beacon怎么讀

radio beacon漢語翻譯

【電】 無線電指標(biāo)

radio beacon英語解釋

名詞 radio beacon:

  1. a characteristic signal emitted by a transmitter used for navigation
  2. a radio station that broadcasts a directional signal for navigational purposes
    同義詞：beacon

radio beacon例句

  1. The plane homed in on the radio beacon.
    飛機(jī)遵循導(dǎo)航臺信號降落。
0
糾錯