trench grader

例句：

1. 1. The trench grader was used to cut the soil for the new road.
   沟槽铣刀被用来为新路切土。
2. 2.The trench grader was a critical tool in the construction process.
   沟槽铣刀是施工过程中的关键工具。
3. 3. The trench grader was used to level the ground before the road was built.
   沟槽铣刀被用来在道路建造前平整地面。