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本文介绍了电液伺服阀静态性能测试中用测试缸检测流量的原理。从提高整个测试系统的灵敏度和精度出发，重点讨论了测试缸有效活塞面积的设计方法。
This article describes the electrohydraulic servo valve static performance test with a test cylinder to detect the flow of the principle. Starting from improving the sensitivity and accuracy of the entire test system, the design method of the effective piston area of the test cylinder is mainly discussed.