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17齒的梗 |
點(diǎn)評
暈,,地球人都知道了,。,。。
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點(diǎn)評
情況復(fù)雜,一兩句說不清,,要計(jì)算,,要是你對齒輪幾何學(xué)認(rèn)知非常透徹,通過cad作幾個(gè)圖就可作出判斷結(jié)果
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