| 摘要 |
An air jet drying machine having a plenum chamber including a wall in which one or more apertures are formed. Heated air is supplied to the plenum chamber and passes out through the aperture or apertures to impinge on a web or sheet on a conveyor beneath the plenum chamber. The velocity at which air impinges upon the web or sheet may be adjusted by adjusting the mass rate of air flow into or out of the plenum chamber or, preferably, by varying the distance between the conveyor supporting the articles and the plenum chamber.
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