digging wheel

例句：

1. 1. The digger is used to remove the soil from the ground.
   挖掘机用于从地面移除土壤。
2. 2. The bulldozer was used to level the land for construction.
   推土机被用来平整土地以便建筑施工。
3. 3. The excavator is essential for digging holes in the ground.
   挖掘机是挖掘地面洞孔所必需的。