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上海宝山及附近有工厂现在需要2-20毫米攻螺纹作业吗,小弟想试接点这种小活 |
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小黑屋|手机版|Archiver|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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