shaft and drift excavation

例句：

1. 1. The engineers weretasked with the shaft and drift excavation project.
   工程师们被指派负责隧道和滑坡挖掘项目。
2. 2. During theconstruction phase, the team had to performshaft and drift excavation operations.
   在施工阶段，团队必须执行隧道和滑坡挖掘操作。
3. 3. The company's latestinnovation in shaft and drift excavationtechnology has been met with great interest.
   该公司在隧道和滑坡挖掘技术方面的最新创新引起了极大的兴趣。