
About this episode
民用航空运输源自上世纪初期,距今已有100年的历史。第一次实现民用载客飞行的是德国的齐柏林飞艇LZ 7。齐柏林飞艇在第一次航行9天后就失事坠毁,第一次引起了客舱安全问题的重视。
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