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运输航空
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运输航空
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air transportation
运输航空
利用航空器运送旅客、货物、行李或邮件等,进行经营性客货运输的航空活动。是现代社会综合交通体系中的重要组成部分,与铁路、公路、水运和管道运输共同组成国家交通运输系统。
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different representative
different route
different shrinkage composite polyester fiber
Different Surnames Vassals
difficult and painful urination
Difficult Climbing
difficult flammability
difficult group
Difficult Husband, Difficult Wife
Difficulties at Answering a Guest
difficulties in horizon
difficult solution salt process for mineral material of mineral materials
difficulty of approximation
difficulty of urination
Diffie
Diffie-Hellman key exchange protocol
Diffie Hellmann key exchange protocol
Diffie-Hellmann key exchange protocol
Diffie Hellman problem
Diffie-Hellman problem
diffluence
difform
diffract
diffracted wave
diffraction
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