1) transmission selector valve
变速箱选择器阀
2) transmission rotary selector spool
变速箱旋转选择器滑阀
3) transmission selector lever
变速箱选择器杆
4) transmission selector and pressure control valve
变速箱选择器和压力控制阀
5) tractor transmission rotary selector spool
拖拉机变速箱旋转选择器滑阀
6) transmission gear selector
变速箱速档选择器
参考词条