只需一步,快速开始
点识 发表于 2010-4-7 18:23 static/image/common/back.gif * J% U: P" [6 j+ w4 |这好像是个动力学问题,楼主所求的应是该系统的驱动扭矩吧。那就试着推导一下吧。8 K8 ~+ x5 C" E# Z$ p' p+ |$ E 1.假设重物的重量:P(k ...
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