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