Determination of carbon content in the catalyst of coal liquifaction by method of HF - IR using HIR - 944 type carbon sulphur analyzing instrument is described.是什么意思_Determination of carbon content in the catalyst of coal liquifaction by method of HF - IR using HIR - 944 type carbon sulphur analyzing instrument is described.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句