A landing gear drop test method is presented in this paper, in which the lift is simulated by an air actuator and accumulator system with constant pressure.
结合某型号飞机试验任务，阐述有关空气作动筒仿升的起落架落震试验方法。
A constant pressure rail test system was built and the experimental research was carried out.
建立液压变压器恒压网络实验测试系统，并开展液压变压器的性能测试研究。
According to the theory of fracture flow, the theory and methods to analyze the hydraulic and geometric properties of fractured rock using constant-pressure well test data are given.
依据裂隙水流理论，提出了利用压水试验资料分析裂隙岩体水流几何特征和水力学参数的理论和方法。
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