1. aircraft supported by its own buoyancy. 
   由自身浮力支持的航空器。
2. To move with lightness and buoyancy. 
   轻快活泼地移动
3. Inspection Certificate on Tank 
   验船证书
4. The state or quality of being light; buoyancy. 
   轻重量轻的状态或性质；浮力
5. Exhaust a tank gradually. 
   渐渐抽光油箱

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• 1. 浮力罐
  bunkhouse井队活动房...buoyancy tank浮力罐...buoyant tank浮罐
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• 2. 浮箱
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• 3. 浮力舱柜
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• 4. 浮舱
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