通过对液压支架液压系统的冲击现象的分析，找出引起液压冲击的原因是液压流速的突变。
By analyzing the impact phenomenon of hydraulic support's hydraulic system, this research finds out the cause of hydraulic impact lies in the discontinuity of hydraulic flow velocity.
液压支架液压系统是液压支架工作的动力核心，其泄漏问题直接影响液压支架的使用性能。
The hydraulic system of hydraulic support is dynamic core in working. Its leak will have a great impact on using property of hydraulic support.
讨论了插装阀串在液压支架液压系统中的应用依据和前景，提出了设计方案，分析了工作原理。
The usage basis and prospect of valves sticked together in support hydraulic system are discussed, design plan and analyses work principle is put forward.
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