大部份的

On the foundation of understanding the structures and operating principles of filter press, the design calculation of the main structures was analysed, including the filter board and draw-plate and so on, and the improvement design of the control system and filter mechanism was accomplished in this thesis.

论文在了解压滤机的结构和工作原理的基础上，分析了压滤机主要结构的设计计算，包括压滤机滤板和拉板的受力等，完成了对压滤机控制系统和过滤机构的改进和设计。

But that is not the case with AJAX systems.

但是，AJAX系统的情况并非如此。