flapper valve meaning in English
瓣阀，片阀，舌形阀，止回阀，碟形阀
瓣状活门
挡板阀
挡瓣阀
挡翻板阀
挡止回阀
铰链阀；片状阀
旋启式止回阀
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。