1) pump control valve group
![点击朗读](/dictall/images/read.gif)
泵控制阀组件
2) control valve group
![点击朗读](/dictall/images/read.gif)
控制阀组件
3) four valve control valve group
![点击朗读](/dictall/images/read.gif)
四阀控制阀组件
4) auxiliary control valve group
![点击朗读](/dictall/images/read.gif)
辅助控制阀组件
5) backhoe control valve group
![点击朗读](/dictall/images/read.gif)
反铲控制阀组件
6) five stack control valve group
![点击朗读](/dictall/images/read.gif)
五片控制阀组件
参考词条