surface drill

例句：

1. 1. The engineer used a surface drill to bore holes in the rock.
   工程师使用表面钻在岩石中钻出孔。
2. 2.The surface drill was essential for testing the integrity of the foundation.
   表面钻对于测试地基的完整性至关重要。
3. 3. The construction crew used surface drills to remove the old concrete before starting the new work.
   施工队使用表面钻来移除旧混凝土，以便开始新的工作。