洁净室及相关受控环境
Cleanroom and associated controlled environments
环空压控循环阀
APRtype circulating valve
计算机死循环控制
computer close-loop control
继电器局部循环控制
relay control with partial cycle
可控循环风
Controllable circulation venetilation
controlability recirculating air
可控循环接头
circulation control joint
死循环控制频率反应
closed loop frequency response
死循环控制系统
closed control system
closed loop control system
clcs