In some cases, the amount of energy being used to power a hand dryer is less eco-friendly than using a few sheets of paper towels.
在某些情况下，大量的精力被用于电力手干燥机是少比用几张环保纸毛巾。
2
Q. In public restrooms, paper towel or electric hand dryer?
在公共洗手间里是用纸巾擦干手上的水还是用烘干机？
3
In this paper, the general drying process and the working principles of heat pump dryer are discussed, and the design of a set of heat pump drying equipment is described.