proportional valve
短語詞組
- proportional control valve 比例控制閥
- Proportional throttle valve 比例節(jié)流閥
- proportional reversing valve 比例換曏閥
- proportional flow valve 氣動比例流量閥的研究
- proportional reducing valve 比例減壓閥
- Proportional solenoid valve unit 發(fā)明名稱
- electrical proportional direction valve 氣動電控比例方曏閥
- seawater proportional relief valve 海水比例溢流閥 返回 proportional valve