A hot metal detector is employed as an automatic detecting device for the automaticcontrol of management and process of wire rod production at No. 4 rolling mill, Shaoguan Iron and SteelGroup Corp.是什么意思_A hot metal detector is employed as an automatic detecting device for the automaticcontrol of management and process of wire rod production at No. 4 rolling mill, Shaoguan Iron and SteelGroup Corp.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句