打字练习一 AREX Aromatics Extraction 芳烃抽提 ART Asphaltic Residue Treating 沥青渣油流态化脱碳处理(Engelhard) CDU Crude Distillation Unit 原油蒸馏装置 DCC Deep Conversion Cracking 催化裂解(RIPP) DCU Delayed Coking Unit 延迟焦化装置 FCC RFCC 催化,重油催化 GFU Gas Fractionation Unit 气体分馏装置 MHCU Mild Hydrocracking Unit 缓和加氢裂化