4960| 12
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鏈輪尺寸 |
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點(diǎn)評(píng)
俺760看成860了,,難道不是鏈輪,??
人家齒形應(yīng)該是第一個(gè),,得到:721.46+1.25*150-46=862.96mm,。取860沒(méi)得毛病
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