2630| 9
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急尋彈性好摩擦系數低的柔性(硬度低)塑膠管 |
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點評
聚氨酯磨擦大
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小黑屋|手機版|Archiver|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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