1) directional selector spool
![点击朗读](/dictall/images/read.gif)
转向选择器滑阀
2) reverse selector spool
![点击朗读](/dictall/images/read.gif)
反向选择器滑阀
3) direction selector spool
![点击朗读](/dictall/images/read.gif)
方向选择器滑阀
4) steering selector valve
![点击朗读](/dictall/images/read.gif)
转向选择器阀
5) selector spool
![点击朗读](/dictall/images/read.gif)
选择器滑阀
6) transmission rotary selector spool
![点击朗读](/dictall/images/read.gif)
变速箱旋转选择器滑阀
参考词条