As the hot air is pre-stored in the hot air duct, the film covering device of the shoe cover machine has rapid film covering and high work efficiency.
由于在热空气风道中预先贮存有热空气，使得鞋套机覆膜装置的覆膜速度相当快，工作效率高。
In addition, a trim air line from the left mix chamber adds hot air to the flight compartment duct.
另外，从左混合舱出来的配平空气管道增加热空气给驾驶舱管道。
A nozzle is arranged in the damp heat air duct, which can adjust the temperature and humidity of the damp hot blast.
在湿热风管中设置有调节湿热风温度和湿度的喷嘴。
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