视频：宝马博物馆将运动学推向新的境界

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qjw @ Jul 12th 2008 9:17AM

1、球铁/镍质地。
2、每根线连到电机上。
3、地板上加个强磁体抑制摆动。
4、以上纯属猜测。

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BiOgErM @ Jul 12th 2008 1:32PM

楼上正解

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Reader Comments (Page 1 of 1)

qjw @ Jul 12th 2008 9:17AM

BiOgErM @ Jul 12th 2008 1:32PM

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