beacon course
短语词组
- beacon n course 无线电导标的航线
- course beacon [航][水运]航向信标;指向标;航向浮标;[航][水运]航线标志
- 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
- 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 返回 beacon course