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玩一玩數(shù)學(xué)(螺紋) |
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點(diǎn)評(píng)
這個(gè)只是矩形牙的情況,。梯形,,三角牙的情況會(huì)更加復(fù)雜,。另外,,現(xiàn)在這樣分析,,也還有需要繼續(xù)細(xì)化的地方。大俠可以再想想,。呵呵,。
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點(diǎn)評(píng)
呵呵,這帖子有討論螺紋失效問(wèn)題嗎,?
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