tray column meaning in English

板式塔
多层塔
盘式塔

Using structured packing column or modification of tray column can reduce the steam consumption . after modification of tray column the quality of the refined oil can he also improved
摘要采用结构填料脱臭塔或改造板式脱臭塔都可以降低蒸汽消耗量。改造板式脱臭塔的同时还可以改善精炼成品油的质量。
Abstract : some new kinds of tray column were reviewed , and their technology progress were discussed , some common problems of tray column in the course of design and application were analyzed
文摘:综合介绍了近年来涌现出来的一些新型板式塔，阐述了板式塔技术的进展，对板式塔设计和应用过程中的问题进行了分析与讨论。