三通阀的英文：
tee valve
three-port valve
three-way valve
triple valve

tee是什么意思：
n. 开球处，球座
v. 开球

connect with a tee, as of pipes.
三角管用t形物连起来。

Sir, this way to the next tee.
先生，从这一边到下个发球台。

The driving of a golf ball from the tee into the hole in only one stroke.
一杆击中一杆就把高尔夫球从球座击入洞中。

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。

three是什么意思：
num. 三，三个

three coat,three bake
“三涂三烘” 工艺(反复涂三道漆，烘干三次的施工方法)

fiveteen contains five and three.
15可被5和3除尽。

To draw three feet of water
吃水三尺