The results show that valve-sieve compound trays have smaller turndown ratio and smaller capacity.
试验结果表明：浮阀筛孔复合塔板操作弹性小、气液处理量小；
Two kinds of liquid distributors, with high turndown ratio, for batch distillation and multi-purpose packed columns are described in this paper.
介绍两种适用于分批精馏及多用途填料塔的液体分布器——槽式和双排管式高弹性液体分布器。
Flue gas temperature fuzzy control dimly deduces turndown ratio of mixer valve according to temperature values of multipoints and their variations.
烟气温度模糊控制根据系统多点温度值及其变化模糊推断混风阀的开度。
Double hole diameters compound trays have a little larger capacity in comparison of single hole diameter compound trays and their turndown ratio is over 3.5.
双孔径复合塔板比单孔径复合塔板处理量略微增大，操作弹性高达3.5以上。
Used with most commercial gases. Wide turndown range, maintaining pre-set air-gas ratio, for single or multiple burner arrangements.
可作为基本单元或者和其他配件配合使用，适合大多数商业燃气使用。
Used with most commercial gases. Wide turndown range, maintaining pre-set air-gas ratio, for single or multiple burner arrangements.
可作为基本单元或者和其他配件配合使用，适合大多数商业燃气使用。
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