2849| 10
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工況接近聯軸器,求推薦一種鋁合金材料 |
點評
貴,一般工廠都沒有
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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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