graphitization testing

例句：

1. 1. The company conducted a graphitization test on its new machine to ensure it was functioning correctly.
   该公司对新机器进行了石墨化测试，以确保其正常工作。
2. 2. During the graphitization test, the engineers monitored the temperature and pressure closely.
   在石墨化测试期间，工程师们密切监测温度和压力。
3. 3. The graphitization test results showed that the machine had significant improvements over its previous version.
   石墨化测试结果显示，该机器与前一版本相比有显著改进。