digging height

例句：

1. 1. The excavator is designed to dig at a depth of 10 meters.
   挖掘机的设计深度为10米。
2. 2. The engineers are measuring the digging height of the tunnel.
   工程师们正在测量隧道的挖掘高度。
3. 3. The construction company has been working on a project that requires a high digging height.
   建筑公司一直在进行一个需要高挖掘高度的项目。