boiler water level

例句：

1. 1. The boiler water level is critical for maintaining the proper temperature of the steam.
   锅炉水位对于保持蒸汽的适当温度至关重要。
2. 2. The engineer checked the boiler water level before starting the new project.
   工程师在启动新项目之前检查了锅炉水位。
3. 3. The boiler water level should be checked regularly to prevent overheating.
   应定期检查锅炉水位以防止过热。