radio aid
短語(yǔ)詞組
- radio approach aid 無(wú)線電進(jìn)場(chǎng)輔助
- radio fixing aid [通信]無(wú)線電定位輔助設(shè)備
- radio audition aid system 無(wú)線助聽(tīng)系統(tǒng)
- ground radio navigation aid 地面無(wú)線電導(dǎo)航設(shè)備
- ship radio navigation aid 船載無(wú)線電導(dǎo)航設(shè)備
- radio navigation aid 無(wú)線電導(dǎo)航輔助設(shè)備
- radio hearing aid system 無(wú)線助聽(tīng)系統(tǒng)
- radio homing aid [航]無(wú)線電歸航輔助設(shè)備
- radio landing aid 無(wú)線電著陸輔助設(shè)備 返回 radio aid