... 提馏柱 stripping column 精馏段 enriching section; rectifying section 膜式精馏段 film-type r ectifying section; film-type rectifying section ...
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film-type rectifying section 膜式精馏段
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The actual plates of rectifying, stripping and phenol recovery section were 19, 20 and 5 respectively.
精馏段塔盘数为19,汽提段塔盘数为20,酚回收段塔盘数为5。
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