boiler heat balance test

例句：

1. 1.The engineer conducted a boiler heat balance test to ensure the system was operating efficiently.
   工程师进行了锅炉热平衡测试，以确保系统运行高效。
2. 2.During the testing, the technicians carefully monitored the temperature and pressure of the boiler.
   在测试过程中，技术人员仔细监测了锅炉的温度和压力。
3. 3. The test results showed that the boiler's efficiency had improved significantly since the last maintenance.
   测试结果显示，自上次维护以来，锅炉的效率有显著提高。