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要畫一個皮帶機,那個皮帶怎么生成啊,我要皮帶是可以和滾筒轉動時也轉起來的? |
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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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