The thesis mainly deals with the structure and working principle of handtool which makes use of a tractor as its power.
介绍一种以拖拉机为动力源的手持工具的结构和工作原理。
2
Collapsible Coiler - Rotates on Large Ball Bearings? Power Drive Assembly or Hand Operated? Large Heavy Duty Casters? Floor Lock Brakes? Guide ring? Tool and Tag Tray.
可折叠，绕在大滚珠轴承上？电力驱动或手动？重型大脚轮？地面锁制动器？导向环？工具和配件存储盘。
3
Meanwhile, the surface of the hand-holding powertool is smooth and clean, the tensile strength is high, electric insulation is safer, and the use life is long.