In this paper, experimental study on drying efficiency and energy consume of China firs wood bunch was performed in a circular hot-airdryer.
采用热风循环试验干燥机对杉木木束进行干燥速度与能耗试验，探讨杉木木束的干燥性能。
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No one knows exactly how clean a hand dryer is, and there is the possibility that it might be blowing hot, contaminated air onto your hands instead of hot, clean air.