process control loop

• 过程控制环

process control loop的用法和样例：

例句

1. The paper presents a high accuracy digit velocity device and speed feedback control loop.
   介绍一种高精度数字测速装置及转速反馈控制环。
2. The valve has the two control loops for normal regulation and emergency closure respectively.
   此阀有两个控制回路，分别用于正常调节和紧急关闭。
3. His flyball governor is undiluted informational control, one of the first non-biological circuits.
   他的飞球调控器是一种原汁原味的信息控制，是最初出现的非生物的控制回路之一。