1238| 5
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求教:綠尼龍,,藍尼龍到底哪種耐磨,? |
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點評
我是想問MC901(通常是藍色尼龍吧)和 PA66+油(綠尼龍)耐磨性 比較
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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