flapper怎么记

Analysis of tensile strength of flapper teeth of valvular cardan shaft

瓣形万向轴瓣齿的拉伸强度分析

The experimental results show that nozzle-flapper servo-valve driven by piezoelectric bimorph is simply structure 、 quick response 、 high resolution ratio 、 little electromagnetic interference and easy control, so it can meet the need of modern sophisticate high-speed control system.

试验结果表明：双压电晶片驱动喷嘴挡板式伺服阀具有结构简单、响应快、分辨率高、无电磁干扰、易于控制的优点，可以满足现代精密高速控制系统的需要。

GDC-5 Electro High Vacuum Flapper Valve ■ GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale.

GDC-5型-电磁高真空挡板阀■GDC-5型电磁高真空挡板阀是连接在真空管路上，用来接通或截止真空系统中的气流，或作充气阀用。