- safe prosecution of voyage
- 安全: safe; secure; safety; securi ...
- 续航: continuation of the journey; ...
- 安全续航时间范围: prudent limit of endurance
- 续航: continuation of the journey; endurance◇续航力 endurance (飞机的); slippking endurance; cruising radius (轮船的); 续航时间 duration of flight; cruise duration; cruising duration
- 续航力: cruising endurance; durability; endurance ability; sea endurance; steaming range
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