valve travel

基本解釋

It can control degree of the headstock of valve directly through travel indicator.
可以通過行程指示表來直觀控制閥門開啟程度。
In a straight travel valve of the hydraulic control apparatus, a communication path and a control valve that opens and closes the communication path are provided.
在液壓控制裝置的直線行駛閥中設(shè)置連通路徑以及開啟和閉合連通路徑的控制閥。
ip.com
If the electron flow takes place in a vacuum, as in the case of electronic valve, the electrons will travel at considerable speed, since little resistance is offered the medium.
如果電子在真空里流動(dòng)，比如電子真空管，那么電子的運(yùn)行速度非常快，因?yàn)榻橘|(zhì)對(duì)電子幾乎不產(chǎn)生什么阻力。