22823| 11
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国产大飞机AG600亮相珠海航展静态展示区 |
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点评
是啊,没有对面给的压力怎么会有自主创新的动力?
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Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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