客机可不同,安全系数要高,要经久耐用, 不然飞几次就爆了,咋行?呵呵。看看上海大众的国产化进程就知道原因了。
客机可不同,安全系数要高,要经久耐用, 不然飞几次就爆了,咋行?呵呵。看看上海大众的国产化进程就知道原因了。
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