Electric-hydraulic commutating valve

• 电液换向阀

Electric-hydraulic commutating valve的用法和样例：

例句

1. In this paper, we study the principle and method of designing the ERF controlling valve, and analyze the performance of the valve.
   研究了电流变液换向阀的设计原理，设计方法，并对该换向阀的性能进行了分析。