“插板”怎么读？

“插板”的英语可以翻译为：spile，flashboard ...

手动密闭闸阀主要由把手 、 阀体 、 插板 、 锁紧螺钉、密封装置等部件组成.The valve is mainly made up of handle, body, disc, locknut and seal etc.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.Is revolving flapper's picture through many plugs, contains explains th...