1) boom crossover valve housing
![点击朗读](/dictall/images/read.gif)
动臂转换阀壳
2) boom crossover valve
![点击朗读](/dictall/images/read.gif)
动臂转换阀
3) stick crossover valve housing
![点击朗读](/dictall/images/read.gif)
斗杆转换阀壳
4) boom raise control valve housing
![点击朗读](/dictall/images/read.gif)
动臂提升控制阀壳
5) boom crossover circuit
![点击朗读](/dictall/images/read.gif)
动臂转换油路
6) electro-hydraulic change-over valve
![点击朗读](/dictall/images/read.gif)
电动液压转换阀
参考词条