中级工单选

已知聚合第二精馏塔加料量为7.6m3/h,甲醇浓度45.8％，比重0.835，二罐出甲醇浓度37.3％，比重0.88。聚合第二精馏塔萃取水加料量为()m3/h。

发布于 2021-02-17 09:01:41

【单选题】
A 55
B 55
C 5.55
D 55

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青云 2023-02-17

生命之长短殊不重要，只要你活得快乐，在有生之年做些有意义的事，便已足够。

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