Boeing and Airbus over recent years built up record order backlogs equivalent to roughly eight years' worth of production at recent levels.

波音和空客近年来都积累了创纪录的订单储备，按近来的生产水平，积累的订单大约相当于两家公司8年的产量。

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Boeing and Airbus over recent years built up record order backlogs equivalent to roughly eight years' worth of production at recent levels.

波音和空客近年来都积累了创纪录的订单储备，按近来的生产水平，积累的订单大约相当于两家公司8年的产量。

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