3816| 5
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求助:涡轮轴摩擦焊,北京或周边地区 |
求助:空心涡轮叶片铸造及加工
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摩擦焊接
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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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