分动式汽阀的英文：
adjustable piston valve
adj. 可调整的，可调节的
This is the adjustment on a micrometer.
这是测微计上的调节器。
adjustment of saturation
(色)饱和度调整
He is a loss adjuster.
他是险损估价人 。
n. 活塞
The connecting-rod is attached to the piston by the piston pin.
连杆与活塞的连接是采用活塞销。
The piston is reciprocating inside cylinder.
活塞在汽缸内部往复运动。
My container here has a piston on it.
我的容器上有一个活塞。
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。