电子管配套的英文：
valve complement

valve是什么意思：
n. 阀门；瓣膜；真空管
v. 装阀于；以活门调节

Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
阀门的缺点:阀门难以关闭，要求操作者二次关闭阀门。

pilot valve governor
带伺服电动机的调节器辅助调速器

The valve has jammed shut.
阀门给卡住了打不开。

multiple leaf valve
多簧片阀

cooled anode valve
冷板屏极真空管

complement是什么意思：
v. 补充，补足
n. 补充；补充物，补足物；补语

objective complement
ph.1. 【语】宾语补语

The secant of the complement of a directed angle or arc.
余割有向角的余角或弧的余割

The absence of complementation suggests that they are in the same gene.
凡是没有互补作用的，就说明它们属于同一基因。

There will be a written examination to complement the practical test.
会有笔试作为实践考试的补充。

We complement one another perfectly.
我们相互取长补短，堪称完美。