travel valve operation 行驶阀的工作
valve spool travel 滑阀行程
straight travel valve circuit 直驶阀油路
travel valve 行驶阀
travel valve body 行驶阀体
travel valve group 行驶阀组
travel valve spool 行驶滑阀
Valve GP-travel counterbalance 行走平衡阀总成
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.
如果电子在真空里流动，比如电子真空管，那么电子的运行速度非常快，因为介质对电子几乎不产生什么阻力。
Open or close the valve stem travel relatively short, and very reliable cutting action, making this valve is suitable for medium and cutting off or regulating use.
阀杆开启或关闭行程相对较短，并具有非常可靠的切断动作，使得这种阀门非常适合作为介质的切断或调节及节流使用。
It can control degree of the headstock of valve directly through travel indicator.
可以通过行程指示表来直观控制阀门开启程度。
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