9338| 20
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求助:升降平臺(tái)的推桿所需力的大小計(jì)算及機(jī)構(gòu)注意設(shè)計(jì)細(xì)節(jié) |
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點(diǎn)評(píng)
我的第一個(gè)反應(yīng)也是虛功原理。
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