three line high draft system

例句：

1. 1. The three-line high draft system is a crucial component of the new air conditioning system.
   三行高线系统是新空调系统的关键组成部分。
2. 2.The engineers developed a three-line high draft system to improve the efficiency of the cooling system.
   工程师们开发了一个三行高线系统，以提高冷却系统的效率。
3. 3.The three-line high draft system was designed to reduce noise pollution in urban areas.
   三行高线系统被设计来减少城市地区的噪音污染。