Being a very obvious problem of piloted relief valve, noise affects the normal work of hydraulic system directly.
噪声是先导式溢流阀一个比较突出的问题，直接影响到液压系统的正常工作。
The smoothness of acceleration and deceleration process is a serious problem in valve control system with high inertia loads.
大惯性负载加减速过程的平稳性问题严重影响了阀控系统的动态特性。
A by-pass capillary tube was added on the discharge pipe behind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.
在热泵系统四通换向阀后的排气管上加旁通毛细管和在气液分离器中加过冷管。
The matching of variable displacement compressor and thermal expand valve is a difficult problem in mobile conditioning system now.
变排量压缩机与热力膨胀阀的配合问题是目前汽车空调系统研究的一个难题。
It is indicated that the end valve-closure water hammer is the main problem which influencing the system safety.
对重力有压输水系统的水锤特点进行了分析，指出末端关阀水锤是影响系统安全运行的主要问题。
Based on a proportional valve-hydraulic cylinder system, this paper puts forward the problem of implementing cushioning and positioning at any point in full-stroke by using ideal curve.
本文针对比例阀缸系统，提出了用理想曲线实现液压缸的全行程任意点的缓冲定位问题。
Based on a proportional valve-hydraulic cylinder system, this paper puts forward the problem of implementing cushioning and positioning at any point in full-stroke by using ideal curve.
本文针对比例阀缸系统，提出了用理想曲线实现液压缸的全行程任意点的缓冲定位问题。
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