open-hearth furnace with roof oxygen lance_冶金学英汉词典
open-hearth furnace with roof oxygen lance
[冶金学英汉词典]
open-hearth furnace with roof oxygen lance顶吹氧气平炉
是什么意思，open-hearth furnace with roof oxygen lance的解释，open-hearth furnace with roof oxygen lance的翻译
