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大型機床上的一個部件,看誰能生產 |
本帖被以下淘專輯推薦:
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點評
什么是“殘缺螺紋副”啊?
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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