Based on consulting patent literature and other literature, this paper reviewed and summarized the techniques on the hollow ingot, providing reference for the related personnel. 本文在查閱專(zhuān)利文獻和其它相關(guān)文獻的基礎上，對空心鋼錠的生產(chǎn)技術(shù)作了回顧和總結，供有關(guān)人員參考。
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