Coal-based DR plants,based on single module, are designed for a maximum of 500000 tonnes per year (tpy) DRI, requiring high capital cost for larger units.是什么意思_Coal-based DR plants,based on single module, are designed for a maximum of 500000 tonnes per year (tpy) DRI, requiring high capital cost for larger units.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句