drill hole sampling

例句：

1. 1. To ensure the accuracy of the data, we need to drill a hole and sample it.
   为了确保数据的准确性，我们需要钻一个洞并取样。
2. 2. The geologist used a drill to sample the rock for further analysis.
   地质学家使用钻机对岩石进行取样以便进一步分析。
3. 3. The company is conducting drill hole sampling in the oil field to monitor the production levels.
   该公司正在油田进行钻孔取样以监测生产水平。