recirculating dry kiln

例句：

1. 1. The recirculating dry kiln is an essential tool for drying agricultural materials.
   循环干燥窑是干燥农业材料的重要工具。
2. 2. The regenerative kilns are designed to recycle waste heat and reduce energy consumption.
   再生窑设计用来回收废热，减少能源消耗。
3. 3. In this process, the hot air from the recirculating dry kiln is used to dry the material.
   在这个过程中，来自循环干燥窑的热空气被用来干燥材料。