哈维兰彗星型客机是世界上第一架商用客机，由英国于60年前设计与制造。
THE sleek de Havilland Comet, the world's firstcommercial passenger jet, was designed and built inBritain 60 years ago.
哈维兰彗星型客机是世界上第一架商用客机，由英国于60年前设计与制造。
THE sleek de Havilland Comet, the world's firstcommercial passenger jet, was designed and built inBritain 60 years ago.
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