将圆筒式调压室的底部，用较小断面的短管或用较小孔口的隔板与隧洞及压力管道连接起来，这种孔口或隔板相当于局部阻力，即为阻抗式调压室。
系统介绍了国内外有关阻抗式调压室的研究状况；
The development of the throttled surge tank has been introduced systematically.
底板压差是阻抗式调压室结构设计中一项重要参数。
The bottom plate pressure difference is an important parameter in design of a throttled surge chamber structure.
通过带调压室水电站的模型试验和数值仿真计算，分析了阻抗式调压室在各种水力过渡过程下的水力工作特性。
The hydraulic characteristics of the throttled surge chamber under various hydraulic transition processes are analyzed through combination of numerical simulation and model test.
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