| 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〔nonrigid〕Of, relating to, or being a lighter-than-air aircraft that holds its shape by gas pressure.软式飞艇的：属于、关于或是由气体压力支撑其形状的轻型飞艇的 |