wet board former with twin cylinders

例句：

1. 1. The engineer designed a new wet-bulb former to improve the efficiency of the cooling system.
   工程师设计了一种新型的湿球温度计，以提高冷却系统的效率。
2. 2.The research team found that the wet-bulb former could be used as an indicator of ambient temperature.
   研究小组发现，湿球温度计可以作为环境温度的指示器。
3. 3. The wet-bulb former was crucial for determining the optimal operating conditions for the air conditioner.
   湿球温度计对于确定空调的最佳运行条件至关重要。