flapper valves meaning in English
瓣状活门
Examples
- In order to improve the reliability of servo system , a triplex electro - hydraulic servo actuator system with three torque motors , three jet flapper valves and three sets of feedback components is designed
摘要为了提高伺服作动系统的可靠性，设计了一种三余度的电液伺服作动系统，将伺服阀的力矩马达、喷嘴挡板阀、系统的反馈元件等做成一式三份。