最常见的向风袋输送空气的方法便是用导管。
The most common method of supplying air to the bag is by a blowpipe.
该熬糖机采用了固定式熬糖锅，熬糖锅的下部增加出口导管，糖膏直接从出口用泵输送；
The sugar cooker adopts a fixed sugar cooking boiler, the lower part of which is added with an outlet duct, and the massecuite directly is conveyed from the outlet by a pump;
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