1412| 5
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關于導向滾筒的材料選用問題 |
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點評
鋁材的滾筒目前好像沒見誰用過,也是POM和不銹鋼居多
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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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