2146| 1
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材质:420F ∮16~15.989外径,长1MM,硬度60-64HRC,有好的工艺来个 |
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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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