只需一步,快速开始
点识 发表于 2010-4-7 18:23 static/image/common/back.gif 3 H" a2 m p( F: X- ?. [( J4 ^* Q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。7 @* s; ~: u* y5 r4 n 1.假设重物的重量:P(k ...
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