压力控制器是一个紧凑的设备中，包含所有的电子测量和评价。
The pressure controller is a compact device that contains all the measurement and evaluation electronics.
比较了电子式和机械式压力控制器各自的优缺点，并提出了选择设计方案的原则。
Merits and demerits between electronic and mechanical controllers are compared, and principle of selecting design scheme is presented.
该套设备结合了电子万能试验机和GDS液体压力控制器，同时采用计算机软件进行控制，实现了三轴剪切试验的应力控制、数据自动采集和不同应力路径试验的目的。
It includes electronic universal testing machine and GDS water pressure controller. It is controlled by a computer, and automatic recording data and different stress path test may be achieved.
该套设备结合了电子万能试验机和GDS液体压力控制器，同时采用计算机软件进行控制，实现了三轴剪切试验的应力控制、数据自动采集和不同应力路径试验的目的。
It includes electronic universal testing machine and GDS water pressure controller. It is controlled by a computer, and automatic recording data and different stress path test may be achieved.
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