词汇	air navigational aid
释义	air navigational aid 助航设备
随便看	Artificial bilayer dermis artificial bile duct artificial bioactive bone artificial bioclimatic chamber artificial bio-climatic test chamber artificial bio-film artificial biological skin artificial biological soil crusts artificial biology artificial bio-membrane artificial biovalve artificial bitumen artificial bi ventricle artificial bi-ventricle artificial black artificial black or white artificial black or whitesignal artificial black or white signal artificial black signal artificial black white artificial blackwhitesignal artificial black white signal artificial bladder artificial block artificial blood