五千年(敝帚自珍)

主题:波兰空难:失事飞机实际飞行了五千小时、一千八百次起降 -- leqian

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家园 找到另外一篇,发动机是在俄罗斯换的

基本上除了外壳,里面全是新的

外链出处

While it's true that the aircraft that crashed was some 20 years old, it had also undergone a complete retrofit in December. According to Aviakor, the Russian company that did the Tu-154 retrofit for the Polish plane, the process involves replacing all 3 engines with updated versions as well as completely gutting and replacing all critical aircraft systems (electrical, mechanical, hydraulic and avionic systems).

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