direct feed evaporator

例句：

1. 1. The direct feed evaporator is used to pre-treat raw water before it is fed into the treatment plant.
   直接供料蒸发器用于将原始水在送入处理厂之前进行预处理。
2. 2.The direct feed evaporator was designed to improve the efficiency of the wastewater treatment process.
   直接供料蒸发器被设计用来提高废水处理过程的效率。
3. 3.The direct feed evaporator has proven to be an effective solution for reducing energy consumption in industrial processes.
   直接供料蒸发器已被证明是工业过程中降低能源消耗的有效解决方案。