trench-digging machine

例句：

1. 1. This trench-digging machine can dig a trench up to 10 meters deep in one day.
   这台隧道掘进机一天可以挖出10米深的沟渠。
2. 2. The engineers used this trench-digging machine to excavate the road forthe construction project.
   工程师们使用这台隧道掘进机为建设项目开挖道路。
3. 3.The trench-digging machine is an essential tool for mining operations.
   隧道掘进机是采矿作业中不可或缺的工具。