course beacon
短語詞組
- course indicating beacon 航線指示信標
- course radio beacon 航向無線電指向標
- four -course radio beacon 四航向無線電信標
- course marker radio beacon 航路指點標
- two -course beacon 雙向信標
- microwave course beacon 微波導標
- ship microwave course beacon receiver 船舶微波航道指向標接收機
- beacon course [航][水運]無線電信標航向;標程 返回 course beacon