flapper例句
The invention relates to swing
flapper used to kill mosquito and fly.
本发明涉及一种用于捕杀蚊蝇的蚊甩子.
And theoretical basis is presented to further apply nozzle -
flapper valve to two - stage electro - hydraulic servo valve .
较快的响应速度;为进一步将其应用于两级 电液伺服 阀提供了设计和实验依据.
Is revolving
flapper's picture through many plugs, contains explains the self - respect self - respect this subject.
通过多个插头围绕着插板的画面, 含蓄来说明 自尊 自爱的这一主题.