flapper valve造句
例句與造句
- 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
摘要為了提高伺服作動系統(tǒng)的可靠性，設(shè)計(jì)了一種三余度的電液伺服作動系統(tǒng)，將伺服閥的力矩馬達(dá)、噴嘴擋板閥、系統(tǒng)的反饋元件等做成一式三份。 - It's difficult to find flapper valve in a sentence. 用flapper valve造句挺難的