This design instruction booklet first introduced the platetower principle of work and the unique feature.
本次设计说明书首先介绍了板式塔的工作原理及结构特点。
2
Particularly, because the platetower is adopted for extraction, the content of the nitrobenzene in the crude nitrobenzene can be reduced by 80 percent.
特别的是，由于采用了板式塔进行萃取，粗硝基苯中硝基苯的含量可以低到80％。
3
The thesis is supposed to introduce the structure, function and characteristic of vertical screen-platetower as well as its application in multiple tower.