2360| 3
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一個1.5米的平臺,下面想用齒輪傳動,怎么確定齒輪的大小啊? |
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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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