1673| 5
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關(guān)于導(dǎo)向滾筒的材料選用問(wèn)題 |
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點(diǎn)評(píng)
鋁材的滾筒目前好像沒(méi)見(jiàn)誰(shuí)用過(guò),,也是POM和不銹鋼居多
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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