safety navigation
短语词组
- Safety of Navigation Circumstance 通航环境安全
- safety of navigation 航行安全
- safety in navigation 通航安全
- Subcommittee on Safety of Navigation 航行安全分委员会
- Ship Safety Navigation Certificate 船舶安全航行证书
- safety depth of navigation 安全航行水深
- safety of ship navigation 舰船航行安全
- ensuring safety navigation 航行安全保障
- sub -committee on safety navigation 航行安全小组委员会 返回 safety navigation