hot-water heating load

例句：

1. 1. The new building has a high hot-water heating load.
   新建筑的热水加热负荷很高。
2. 2.The energy efficiency of the system is greatly improved by reducing the hot-water heating load.
   通过减少热水加热负荷，系统的能源效率得到了极大的提高。
3. 3. The hot-water heating load is calculated based on the actual consumption of hot water in the building.
   热水加热负荷是根据建筑物实际使用的热水量来计算的。