valve thimble的意思|示意
美 / /
英 / /
valve thimble相关短语
1、 slide valve thimble 滑阀套管
valve thimble相关例句
The thimble and valve body has the thread connection, the place around the thimble has the flange.
顶针与阀体用螺纹连接，顶针的周边做有凸缘。