Big aircraft orders usually come when there is a new model, and Boeing hasn't rolled out a new version of its 737 workhorse in six years.
大额订单往往伴随着新机型的出现而出现,波音在最近6年都没有推出过737这一主力的新款机型。
Big aircraft orders usually come when there is a new model, and Boeing hasn't rolled out a new version of its 737 workhorse in six years.
大额订单往往伴随着新机型的出现而出现,波音在最近6年都没有推出过737这一主力的新款机型。
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