设计了阀振动滞后性测试装置，以整体开启阀压电泵为模型作了测试。
The equipment used to test valve's lagging is designed, and piezo-pump with integral valves as sample is tested.
对影响压电泵性能的因素，如腔体高度、阀的结构、阀的滞后性、空穴现象等进行了理论分析与实验测试，得出了其对压电泵输出性能的影响规律。
The factors affecting the output performance of the pump, such as the chamber height, the structure of values, the hysteresis of valves, cavitation, etc.
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