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在液压马达试验台上用电磁比例溢流阀进行调压，用比例控制泵调节流量，提高了系统工作的稳定性，改善了试验台的工作特性。
On the hydraulic motor test bench with electromagnetic proportional relief valve for pressure regulation, the proportion of the pump control flow, improve the stability of the system work to improve the test bench operating characteristics.