| 单词 | 辅助气囊 |
| 释义 | 〔ballonet〕One of several small, auxiliary gasbags placed inside a balloon or a nonrigid airship that can be inflated or deflated during flight to control and maintain shape and buoyancy.辅助气囊：置于气球或软式飞艇内的一个小的、辅助性的气囊，可通过在飞行中的充气和放气来控制和保持形状和浮力 |
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