1) transmission speed valve spool
变速箱速度滑阀
2) transmission lubrication valve
变速箱润滑阀
3) transmission rotary spool
变速箱旋转滑阀
4) transmission directional valve spool
变速箱方向滑阀
5) transmission valve
变速箱阀
6) speed shift spool
变速滑阀
参考词条