5274| 12
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請問大家這是什么材料 |
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點(diǎn)評(píng)
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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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),,浙公網(wǎng)安備33038202004372號(hào) )
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