buck stacker

例句：

1. 3.
   用于
2. 1. The construction crew used a buck stacker to level the ground for the new road.
   建筑队使用推土机平整了新路的地面。
3. 2. The buck stacker operator was responsible for ensuring the safety of the workers.
   推土机操作员负责确保工人的安全。
4. 3. The buck stacker was used to remove large rocks from the construction site.
   推土机被用来从施工现场移除大岩石。