拖拉机最终传动可靠性
reliability of tractor’s final transmission
农业拖拉机驱动轮轮胎
agricultural tractor driving tire
轮式拖拉机缓冲挂钩
wheel tractor cushion-hitch
轮式拖拉机传动系
wheel tractor power train
轮式拖拉机-铲运机转向系统
wheel tractor-scraper steering system
轮式拖拉机-铲运机液压系统
wheel tractor-scraper hydraulic system
轮式拖拉机-铲运机空气系统
wheel tractor-scraper air system
轮式拖拉机-铲运机机器
wheel tractor-scraper machine
轮式拖拉机-铲运机传动系
wheel tractor-scraper power train