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The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.
本文简述了无缝钢管冷拔前头部加热炉的改造。
youdao
-
The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.
本文简述了无缝钢管冷拔前头部加热炉的改造。
youdao