vacuum residue
短语词组
- vacuum pyrolysis residue 真空热解渣
- vacuum distillation residue 减压渣油
- vacuum residue distillation system 减压渣油系统
- oman vacuum residue 阿曼渣油
- vacuum residue desulfurization 渣油加氢脱硫
- vacuum residue constituents 减压渣油组分
- pure vacuum residue 全减渣
- Liaohe vacuum residue 辽河减压渣油
- high vacuum residue 高真空蒸馏残渣
- vacuum residue fractions 减渣馏分 返回 vacuum residue