radio-marker无线电信标
radio beacon marker无线电信标标志
radio fan marker beacon扇形无线电指点标
radio fan marker无线电扇形辐射指点标
radio marker station无线电指点标;无线电指点标台
radio marker beacon station[航] 无线电标志信标电台
radio marker beacon无线电标志信标
marker radio beacon无线电信标;无线电指位标;标位无线电标杆;无线电信标近距离
marker radio-beacon标志无线电信标