This paper introduces the characteristic and effect of plastic refractory gunning to billet reheating furnace and soaking pit at Baosteel.是什么意思_This paper introduces the characteristic and effect of plastic refractory gunning to billet reheating furnace and soaking pit at Baosteel.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句