test drill core

例句：

1. 1. The engineer used a test drill core to determine the strength of the concrete.
   工程师使用测试钻芯来测定混凝土的强度。
2. 2.The construction company conducted a test drill core to ensure the integrity of the foundation.
   建筑公司进行了一次测试钻芯，以确保地基的完整性。
3. 3. During the testing process, the test drill core was carefully extracted and analyzed for any defects.
   在测试过程中，小心地提取并分析了测试钻芯，以查找任何缺陷。