2590| 5
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设计了一台薄壁管子探伤机的机械装置,被搁置两年 |
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点评
国营的好处呀
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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