large diameter drilling

例句：

1. 1.The company plans to carry out large diameter drilling in the next five years.
   该公司计划在未来五年内进行大型钻探。
2. 2.Large diameter drilling is essential for extracting oil and gas from deep underground.
   大直径钻探对于从地下深处提取石油和天然气至关重要。
3. 3. The large diameter drilling project has been a topic of discussion among experts.
   大型钻探项目一直是专家们讨论的焦点。