The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.
新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。
The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.
新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。
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