1651| 6
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新型材料技術突破傳統金屬磨損閾值 |
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點評
耐磨不銹鋼的1.5倍,很難么,
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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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