Bird strike Committee USA says bird strikes cause about six hundred million dollars in damage to American civilian and military aviation each year.
美国鸟撞委员会说：每年，鸟撞击事件导致美国的民用和军事航空业大约6亿美元的损失。
Bird strike Committee USA says bird strikes cause about six hundred million dollars in damage to American civilian and military aviation each year.
美国鸟撞委员会说：每年，鸟撞击事件导致美国的民用和军事航空业大约6亿美元的损失。
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