The paper introduces two kinds of new developed hydro-controlled disc roller mill about their structure and working principle, analyses the key technical problems and main performance and characteristic, and draws some important conclusion.是什么意思_The paper introduces two kinds of new developed hydro-controlled disc roller mill about their structure and working principle, analyses the key technical problems and main performance and characteristic, and draws some important conclusion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句