名词
中文翻译：结合的钻头
同义词：
['combined drilling', 'combined drilling operation']
例句：
-
1. The engineers used a combination of drilling and excavation to build the foundation.
工程师们使用钻孔和挖掘相结合的方法来建造地基。
-
2. The company is exploring new technologies for its combined drilling and miningoperations.
该公司正在探索新的技术，用于其联合钻井和采矿操作。
-
3.The drilling process involves combining different materials to create a hole in the rock.
钻井过程涉及将不同材料结合起来在岩石中制造一个洞。