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| 干线客机 (用于大城市间航线上的客机，目前使用中远程的高亚音速喷气客机,载客量在100人以上，满载航程大于3000 km 的大型客货运输机。可分为150座、200座、300〜500座几种座级，正在发展载客量更多的客机。满载航程大于 6000 km 称为中远程干线飞机，满载航程小于5000 km 称为中短程干线飞机); 干线机 | |||
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