By analysis mechanism of the pressure pulsation for hydraulic system, introduced two methods, the passive filtering and the active filtering, to decrease pressure pulsation.
通过对液压系统中产生压力脉动的机理分析，介绍被动滤波和主动滤波两种降低压力脉动的方法。
This machine is mainly composed of passive loading frame, after molding, leveling device, punching device, cutting device, hydraulic station, computer control system, etc.
该机主要由被动装料架、整平装置、冲孔装置、成型后切断装置、液压站、电脑控制系统等。
In safety research of nuclear power plant, the reliability research of thermal hydraulic passive system bases on the numerical models.
在研究核电站安全时，热工水力非能动系统的可靠性研究基于所建立的热工水力学数值模型。
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