单词 | puffing gun |
释义 | puffing gun [`pǝf·iŋ ´gǝn] FOOD ENGINEERING A device for puffing food particles in which they are rapidly heated and pressurized up to 200 pounds per square inch (1.38 megapascals) in a sealed vessel and then suddenly depressurized to atmospheric pressure, causing rapid volatilization of internal moisture. |
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