aid to navigation meaning in English
助航设备
Examples
- The use of magnets as aids to navigation can be traced back at least to the eleventh century .
磁铁用于航海，至少可追溯到11世纪。 - The main dimensions of aids to navigation on inland waterways
内河助航标志的主要外形尺寸 - Trailered inter - coast waterway aids to navigation boats
入海河口引航船 - 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。 - The regulation for surface colours of the visual aids to navigation in china
中国海区视觉航标表面色规定