2541| 12
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關(guān)于電機選型計算問題求助 |
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點評
單位錯了
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點評
他意思是你的摩擦系數(shù)選的不對 一個滾動和滑動的差不少
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小黑屋|手機版|Archiver|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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