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薄壁管收口工藝咨詢~ |
點評
沖壓估計不行吧,上下模接口的地方怎么辦?
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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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