CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up and down to make the valve opened or closed.

真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。

youdao

CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc updown to make the valve opened or closed.

CCD电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。

youdao

CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up and down to make the valve opened or closed.

CC D型电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。

youdao