5146| 6
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機床床身和立柱,拖板如果用鑄鐵制作有什么具體的要求嗎? |
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點評
弱弱的問一句,球墨鑄鐵是不是會很貴啊?
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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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