2004| 2
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機械密封環(huán)想做干磨與水潤滑條件下的摩擦摩損測試,有沒有比較權(quán)威的檢測機構(gòu)推薦? |
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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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