同时，文章还对一些其它卸荷回路及其缓冲措施进行试验研究，提出解决系统卸荷压力冲击的具体方法。
Meanwhile, some other unloading circuits and damping measures are experimentally investigated, leading to methods of reducing the unloading pressure surge.
压力阀是用来控制液压系统的压力和防止油泵及执行元件的过载。根据功能可分为溢流阀、减压阀、顺序阀、卸荷溢流阀等。
Pressure control valves are used for controlling the pressure in a hydraulic system and protect its hydraulic pump and actuators from over-load.
在卸荷带内进行35点原位变形试验，其加载路径和最大压力与拱坝作用于岩体的条件相似。
In-situ deformation tests are made at 35 points in the unloading zone with conditions of loading path and the maximum pressure similar to that of the arch dam acting on the rock mass.
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