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介绍了实用新型专利产品——新型双向螺旋板式换热器的原理与构造，通过对其样品进行的初步实验研究，证实该产品的高传热性能和实用性，为其推广和制造提供了依据。
The principle and structure of a new utility model patented bi-directional spiral plate heat exchanger was introduced. Through preliminary experimental research on the sample, the high heat transfer performance and practicality of the product was confirmed, providing a basis for its promotion and manufacture. .