n.定位器(控制閥門的反饋裝置)；(焊接用的)轉動換位器
They may be fitted with signal feedback deviceelectropneumatic valve positioner. 可選配反饋信號裝置及電氣閥門定位器。
For most intelligent valve positioner, the initialization process is basically very simple. 對大多數(shù)智能閥門定位器來說，初始化過程基本上非常簡單。
