改造后的液压系统流量充分、压力稳定、动作迅速，且调整和维修保养方便，故障率低。
The transformed hydraulic system has abundant flow capacity, stable pressure, swift motion and low failure rate and it is convenient to adjust and maintain.
本文分析了液压系统流量、压力脉动与噪声的关系，对系统的流体噪声产生与传播进行了一些探讨；
This paper has analyzed the relationship of flow, pressure pulsation and noise in hydraulic system, and has inquired into generation and propagation of fluid noise in the system.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
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