助航标志 meaning in Chinese
aid
Examples
- The main dimensions of aids to navigation on inland waterways
内河助航标志的主要外形尺寸 - Pharos is an important aid to navigation for ships
航标灯是江河与海洋上船只重要的助航标志。 - Aids to navigation on inland waterways
内河助航标志 - Maritime buoyage system , china
中国海区水上助航标志 - Maritime buoyage system , china
中国海区水上助航标志