proportional valve
短语词组
- proportional control valve 比例控制阀
- Proportional throttle valve 比例节流阀
- proportional reversing valve 比例换向阀
- proportional flow valve 气动比例流量阀的研究
- proportional reducing valve 比例减压阀
- Proportional solenoid valve unit 发明名称
- electrical proportional direction valve 气动电控比例方向阀
- seawater proportional relief valve 海水比例溢流阀 返回 proportional valve