... bit. 3.Drill efficiency 4.ISO9001:2000 Trench excavator in planting Character1. This trench excavator and tractor kit composition.2. Tractor ... land, frozen soil, the ice punch. Widely used in gardens, planting, plant trees,geophysical exploration, road construction, etc.3. Tractor trench ... tractor can pass.Trench excavator details pictures Trench excavator in planting