A method for the determination of 21 major,minor and trace elements in coal and coal ash samples by inductively coupled plasma-optical emission spectrometry(ICP-OES) was reported in this paper.是什么意思_A method for the determination of 21 major,minor and trace elements in coal and coal ash samples by inductively coupled plasma-optical emission spectrometry(ICP-OES) was reported in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句