Multiple functions performed by a single valve can result in added system protection and lower cost to the user.
多种性能集成在一个阀门上使得系统得到更多的保护，也降低了用户的成本。
The math model of a single valve system is established on the basis of Newton's second law of motion and pressure dynamics.
本文在牛顿第二定律和压力动力学基础上建立了单气门系统的数学模型。
The result shows that superfluous force is less in double valve parallel control system than that in single valve control system, and the precision of dynamic loading is increased.
仿真和实验结果表明：加载系统采用双阀并联控制比单阀控制的多余力明显减小，动态加载精度明显提高。
The single-valve tower, three valves tower and integration iron tower designed by our company got the national patent.
设计的“单管塔”、“三管塔”和“一体式铁塔”均获得国家专利；
The single-valve tower, three valves tower and integration iron tower designed by our company got the national patent.
设计的“单管塔”、“三管塔”和“一体式铁塔”均获得国家专利；
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