1) lift pilot control valve
提升器先导控制阀
2) lift pilot valve
提升器先导阀
3) lift pilot valve stem
提升器先导阀杆
4) pilot poppet
先导提升阀
5) lift control valve
提升器控制阀
6) lift pilot valve lever
提升器先导阀操纵杆
参考词条