boiler proving pump

例句：

1. 1. The boiler proving pumpis used to test the pressure of thesteam boiler.
   锅炉试验泵用于测试蒸汽锅炉的压力。
2. 2. The engineers were using a boilerproving pump to check the efficiency of theheating system.
   工程师们正在使用锅炉试验泵检查供暖系统的效率。
3. 3. The boilerproving pump was essential formaintaining the safety of the plant's operation.
   锅炉试验泵对于保持工厂运行的安全性至关重要。