我需要一些有关航空班机的资料。
原彗星喷气式航空班机的方形窗被发现是其碎裂的主要原因。
The square Windows on the original Comet jetliner were found to be the primary cause of its disintegration.
我和一个朋友正计划一趟游览北欧之旅,我需要一些有关航空班机的资料。
A friend an I are planning a trip to visit Northern Europe, and I need some information on airline flights.
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