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发表于2024-11-13
De Havilland Comet pdf epub mobi txt 电子书 下载 2024
The de Havilland DH.106 Comet was the world's first pure-jet airliner. Powered by four de Havilland Ghost turbojet engines and accommodating its passengers in a pressurized cabin, the Comet offered new levels of speed, comfort and smoothness to the air traveler when it entered service with BOAC in 1952.
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De Havilland Comet pdf epub mobi txt 电子书 下载 2024