5018| 11
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機床導軌正反向負載差距很大是怎么回事? |
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點評
不錯,應該好好計算下摩擦力多大
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小黑屋|手機版|Archiver|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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