This method can be used to produce superclean coal and to separate ultrafine coal,and the result is fairly good after a number of selective flocculation tests of Datun, Bayi and Dawukou coal samples.是什么意思_This method can be used to produce superclean coal and to separate ultrafine coal,and the result is fairly good after a number of selective flocculation tests of Datun, Bayi and Dawukou coal samples.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句