It is usually happened that the molden steel slag splashes and then sticks on the surface of the oxygen lance, especially during the semisteel making.是什么意思_It is usually happened that the molden steel slag splashes and then sticks on the surface of the oxygen lance, especially during the semisteel making.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句