free air space 自由空域
We are asking the air transport industry for free or heavily discounted airline cargo space to transport this therapeutic food to children who will die without it.
我们要求航空公司提供免费或者巨额折扣的货运服务，将这些营养药品运送给这些儿童，否则他们将会死亡。
It is free of air-traffic congestion, has no ban on night flights and has plenty of runway space.
迪拜没有空中交通堵塞，对夜间飞行没有限制，有足够的跑道空间。
When air padding is allowed and appropriate, it is imperative that clean, oil-free, cooled, dry compressed air be introduced into the vapor space.
当空气填料被允许而且是适当的时候，所引入的空气必须是洁净的、无油的、冷却的、干燥的压缩空气。
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