1515| 9
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齒輪孔徑太小會(huì)有影響傳動(dòng)嗎,? |
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點(diǎn)評(píng)
軸的直徑是計(jì)算好的,,畫(huà)圖前就確定了,。齒輪的應(yīng)力集中是個(gè)什么意思?
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