5591| 5
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“負曲率”在凸輪軸升程曲線、速度曲線、加速度曲線上有什么表現? |
點評
大俠說的是加速度吧?
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Archiver|手機版|小黑屋|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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