core heating

例句：

1. 1. The building'score heating system is efficient and reliable.
   这座建筑的核心供暖系统既高效又可靠。
2. 2.The engineers are working on the coreheating system to improve efficiency.
   工程师们正在努力改进核心供暖系统以提高效率。
3. 3. Thenew model car has a more powerful coreheating system.
   新款汽车拥有更强大的核心供暖系统。