mechanicalshovel

例句：

1. 1. The construction crew used a mechanical shovel to clear the snow from the road.
   施工队用机械铲清除路上的雪。
2. 2. The engineer designed a new machinery for the factory to improve its efficiency.
   工程师为工厂设计了一种新的机械，以提高其效率。
3. 3. The farmer used a mechanical shovel to till his fields before planting.
   农民在播种前使用机械铲翻地。