hermetically sealed condensing unit

例句：

1. 1. The hermetically sealed condensing unit is essential for maintaining the cleanliness of the air in the room.
   密封式冷凝器单元对于保持房间空气的清洁至关重要。
2. 2. The hermetically sealed condensing unit was designed to improve energy efficiency and reduce carbon emissions.
   密封式冷凝器单元被设计用来提高能源效率并减少碳排放。
3. 3. The hermetically sealed condensing unit is a crucial component in the heating system, ensuring that heat is efficiently transferred from the furnace to the room.
   密封式冷凝器单元是供暖系统中的关键部件，确保热量从炉子高效地传递到房间。