scraper power train 铲运机动力传动系

scraper power train component 铲运机动力传动系部件

wheel tractor-scraper power train 铲运机传动系

scraper power train hydraulic system 铲运机动力传动系液压系统

power scraper machine 铲运机

power-drag scraper 机动拖铲

Scraper Stirring Power 刮板搅拌功率 ; 刮壁搅拌功率

Scraper drive power 刮板驱动功率

scraper engine power 铲运机发动机功率

power scraper shovel 电动刮料铲