Under the same experiment conditions, the shrunk stream diameter of upper taper sieve trays is maximum, common sieve trays' is second, and lower taper sieve trays' is minimum.
在同等测试条件下，经过上锥形筛孔的缩脉最大，其次是经普通筛孔的缩脉，最小的缩脉为经下锥形筛孔的缩脉。
The column of reactive distillation was improved from compound tower to sieve tray tower which is famous for its lower cost of equipment and simpler operation and cleaning.
反应精馏塔由原来的复合型塔改为单纯筛板塔，操作清洗简单、设备费用低。
A mass of water entered molecular sieve adsorber, upper column and lower column during the heating period before startup of air separation unit.
空分设备启动前的加温阶段，分子筛吸附器和空分塔上、下塔大量进水。
A mass of water entered molecular sieve adsorber, upper column and lower column during the heating period before startup of air separation unit.
空分设备启动前的加温阶段，分子筛吸附器和空分塔上、下塔大量进水。
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