aeroplannumber是什么意思

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aeroplanes number飞机数量双语例句1China is almost doubling the number of civilian aeroplanes that are allowed tofly in its airspace at any one time, in an overhaul to reduce flight delays causedby the military 's tight control over airspace.中国将把可以同时在领空飞行的民用飞机数量增加近一倍，此次全面调整旨在减少因军方对领空施行严格管制而造成的航班延误。