heating cylinder

例句：

1. 1. The heating cylinder is responsible for maintaining the room's temperature.
   加热筒负责保持房间的温度。
2. 2. The heater in the kitchen is a crucial part of the cooking process.
   厨房里的加热器是烹饪过程的关键部分。
3. 3. The heating cylinder needs to be replaced regularly to ensure proper functioning.
   加热筒需要定期更换，以确保正常工作。