1) scraper transmission switch control
铲运机传动系开关控制
2) scraper transmission switch
铲运机传动系开关
3) scraper transmission switch manifold
铲运机传动系开关岐管
4) scraper transmission switch receptacle
铲运机传动系开关插座
5) scraper transmission switch rotor
铲运机传动系开关转子
6) scraper transmission control system
铲运机传动系控制系统
参考词条