您要查找的是不是：
- elektrohydraulic servovalves 电磁比例阀
- Manifolds can be either machined components only or complete assemblies including check valves, pressure switches, servovalves, solenoids or filters. 歧管可以只是机械零部件或是完整的组件，包括止回阀，压力开关，伺服阀，电磁阀或过滤器。
- Design of New Actuators of Electrohydraulic Servovalves 电液伺服阀新型驱动器设计
- Study on Characteristics of a New Actuator Used to Electrohydraulic Servovalves 电液伺服阀用新型驱动器特性研究
- Servovalves 伺服阀
- Electrohydraulic servovalves 电液伺服阀
