course beacon
短语词组
- course indicating beacon 航线指示信标
- course radio beacon 航向无线电指向标
- four -course radio beacon 四航向无线电信标
- course marker radio beacon 航路指点标
- two -course beacon 双向信标
- microwave course beacon 微波导标
- ship microwave course beacon receiver 船舶微波航道指向标接收机
- beacon course [航][水运]无线电信标航向;标程 返回 course beacon