3178| 3
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齒輪的法線齒距是啥? |
點評
難道是印刷錯誤嗎?
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點評
但是它是在講直齒輪啊 不是斜齒輪
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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