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再談漸開線齒輪最小根切齒數(shù) |
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點(diǎn)評(píng)
前輩不敢當(dāng),不是動(dòng)畫,就是用cad按照齒輪加工原理畫的。
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點(diǎn)評(píng)
愛因斯坦的質(zhì)能方程也是初中的公式,E=MC^2
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