The characteristics and applications of the R2R residue catalytic cracking process jointly developed by the French TOTAL Company and IFP wele introduced.是什么意思_The characteristics and applications of the R2R residue catalytic cracking process jointly developed by the French TOTAL Company and IFP wele introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句