国际安全航行证书 international safety certificate
航行安全与搜救 navigation security and rescue
托雷斯海峡安全航行 Marine Technology
水面安全航行区 area safe for surface navigatoin
水上安全航行区 area safe for surface navigation
船舶安全航行证书 Ship Safety Navigation Certificate
航行安全 Voyage safety ; safety of navigation ; Navigation safety
航线安全运行水平 Flight Safe Operation Level
海坛海峡航行安全浅析 Marine Technology
时刻牢记安全航行第一。
船舶总纵强度是保证舰船安全航行的重要保证。
The longitudinal strength of ship was an important guarantee to ship's security.
船舶电站是船舶重要组成部分，船舶应急发电机组是船舶安全航行的重要保证。
Power station is an important composition of a ship. Emergency generator is an importance guarantee for sailing safety.
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