n.定位器(控制阀门的反馈装置)；(焊接用的)转动换位器
They may be fitted with signal feedback deviceelectropneumatic valve positioner. 可选配反馈信号装置及电气阀门定位器。
For most intelligent valve positioner, the initialization process is basically very simple. 对大多数智能阀门定位器来说，初始化过程基本上非常简单。
