two steps dephlegmation and separation
...两级分凝分离 [gap=1103]atures refrigerator;auto cascade cycle;modified flow;counterflow heat exchanger;two steps dephlegmation and separation ...
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two steps dephlegmation and separation
两步清痰分离
以上为机器翻译结果,长、整句建议使用 人工翻译 。