1) scraper retarder air line
铲运机减速器空气管路
2) scraper retarder air pressure
铲运机减速器空气压力
3) scraper governor air chamber
铲运机调速器空气室
4) scraper retarder
铲运机减速器
5) scraper retarder valve
铲运机减速器阀
6) scraper retarder air and oil pressure
铲运机减速器气压和油压
参考词条