14467| 52
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手上一塊材料,不知道到底是啥,現在很懵! |
點評
是呀,要是聚氨酯摩擦力不夠,尼龍怎么夠呢,再說了硅膠一般都比較軟,尼龍能硬一些
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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