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萃取精馏
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extractive distillation
萃取精馏
向精馏塔顶连续加入高沸点添加剂,改变料液中各组分的相对挥发度,使普通精馏难以分离的液体混合物易于分离的特殊精馏技术。
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Suriname River
Surinames
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Surname for Western Xia
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