介绍了一种流体温差传感器，可实时检测两束流体的温度差。
Introduction is made on a kind of fluid temperature difference sensor that can real-timely test the temperature difference of two bundles of fluids.
影响其背压的主要因素有：大气环境温度、空冷初始温差、凝汽器的端差。
The major factors effecting on the backpressure include atmospheric environment temperature, primary temperature difference of air-cooling, end difference of condensers.
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