名词焦油，沥青; 酸渣
911查询·英语单词
1. Study on Catalytic Cracking Process of Liaohe Goudron INCREASING DISTILLATION YIELD OF ATMOSPHERIC RESIDUE BY BLENDING FCC DECANTED OIL 掺炼辽河减压渣油的研究常压渣油掺炼催化裂化油浆提高蒸馏拔出率的研究