Rich coal resource of Dongsheng with excellent coal character is an ideal material. To produce ferro-alloy coke using mechanical coke oven is a better ideal technology.是什么意思_Rich coal resource of Dongsheng with excellent coal character is an ideal material. To produce ferro-alloy coke using mechanical coke oven is a better ideal technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句