3896| 6
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絲杠螺母是用磷青銅還是錫青銅 |
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點評
您好,我想咨詢一下,您說的這兩種材料,價格怎么樣?
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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,浙公網安備33038202004372號 )
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