1544| 8
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机忆械新(10)——大涵道比涡扇发动机 |
点评
新质生产力,设计也需要突破
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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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