1) scraper governor control valve

铲运机调速器控制阀
2) scraper retarder control valve

铲运机减速器控制阀
3) scraper engine governor control

铲运机发动机调速器控制
4) scraper retarder valve

铲运机减速器阀
5) scraper control valve

铲运机控制阀
6) scraper retarder control group

铲运机减速器控制组件
参考词条