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 constantpressure.
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。
2
A constantpressure 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。
3
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.