The Datong deashed coal, some different minerals, and five additives were used during the coal water slurry (CWS) preparation.是什么意思_The Datong deashed coal, some different minerals, and five additives were used during the coal water slurry (CWS) preparation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句