热量自发地从通常较冷的热源流流动到散热器流的局部寒冷的部分，其是文丘里管的颈部。

Heat flows spontaneously from the generally cooler heat-source flow into the locally cold portion of the heat-sink flow, which is the neck of a Venturi.

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热量自发地从通常较冷的热源流流动到散热器流的局部寒冷的部分，其是文丘里管的颈部。

Heat flows spontaneously from the generally cooler heat-source flow into the locally cold portion of the heat-sink flow, which is the neck of a Venturi.

youdao