5508| 12
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請問大家這是什么材料 |
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點評
高耐磨,低摩擦系數(shù),高抗沖擊性能,耐腐蝕,耐疲勞。
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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