1177| 5
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求教:绿尼龙,蓝尼龙到底哪种耐磨? |
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点评
我是想问MC901(通常是蓝色尼龙吧)和 PA66+油(绿尼龙)耐磨性 比较
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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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