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.
液压系统包括一个主缸和一些辅助缸。
The hydraulic system comprises a master cylinder and the slave cylinders.
采用有限元方法对液压机中的主液压缸、横梁和立柱进行结构设计。
Main hydraulic cylinder columns and cross beams of hydraulic press are designed with finite element method.
挖掘机工作装置上的主、副臂液压缸最大受力位置，以往是通过定性分析确定。
The conventional method to determine the loading position on the hydraulic cylinder of main and auxiliary boom of weight-lifting attachment on excavator is qualitative analysis.
对液压部分进行了主要元件如主泵、阀和液压缸的主要参数进行了匹配计算，并对系统的一些主要静态指标进行了计算。
Specification matching calculations are made for the main hydraulic components such as the main pump, valves and oil cylinder and some main static specifications in the system are also calculated.
通过陶瓷压砖机液压系统试验，得到了各工作循环时的动梁运动曲线、主缸压力曲线、系统压力曲线和各伺服比例阀的控制信号曲线等试验数据。
By the hydraulic system test, we obtained the experimental data, such as the curves of the beam movement, pressure and valve's control signal and flow.
着重对主剪切缸液压回路特点进行了分析，对主剪切缸剪切能力进行了详细校核。
Also the characteristics of the hydraulic circuit of the main shear cylinder has been analyzed, and the shearing capacity of the main shear cylinder has been checked.
导向液压缸与主液压缸之间由连通管连通，导向柱塞的一端套装在导向液压缸内。
The guiding hydraulic cylinder is connected with the main hydraulic cylinder by the communicating pipe. One end of the guide plunger is sheathed in the guide hydraulic cylinder.
导向液压缸与主液压缸之间由连通管连通，导向柱塞的一端套装在导向液压缸内。
The guiding hydraulic cylinder is connected with the main hydraulic cylinder by the communicating pipe. One end of the guide plunger is sheathed in the guide hydraulic cylinder.
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