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漸開線花鍵的強度校核采用gb17855,din5466還是尼曼法,哪種方法的計算結果更符合實... |
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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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