本文介绍了通过控制比例溢流阀排油流量，控制执行机构运动速度和压力负载敏感的新方法。
A new load-sensing method to control the moving velocity and pressure of actuating mechanism by controlling the displacement of proportional overflow valve is introduced.
通过对常用支撑结构的力学分析与性能对比，选用简支梁作为压力传感器敏感变形机构。
After analyzing and comparing the performance of normal bracing structures in mechanics, we use a freely supported beam for sensing deforming structure.
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