5030| 16
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設(shè)計一種移動機構(gòu) |
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點評
大俠,,lz表達不清或者不準確,,理解為無保持力矩即可。
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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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