dehydration preheater

例句：

1. 1. The dehydration preheater is essential for the drying process.
   脱水预热器对于干燥过程至关重要。
2. 2. The dehydration preheater is used to remove moisture from the material before it is processed.
   脱水预热器用于在加工前去除物料中的水分。
3. 3. The dehydration preheater is designed to quickly and efficiently dry materials.
   脱水预热器设计用来快速且高效地干燥材料。