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尋生鐵鑄造廠,重慶。總需求量500萬根 |
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點評
你可以弄塊鋼板試一下,加熱試試變形量是多少。
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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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