COREX technology is one of new iron making technologies which use a molten iron gasifier and a reduction shaft instead of coke oven and blast furnace.是什么意思_COREX technology is one of new iron making technologies which use a molten iron gasifier and a reduction shaft instead of coke oven and blast furnace.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句