Vertical heat exchanger is mainly divided into single U-tube heat exchanger and double U-tube heat exchanger.

垂直U型管换热器主要分为两种：单u型管换热器和双u型管换热器。

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Base on several common U-tube heat transfer models of ground source heat pump, this paper proposes a transient heat transfer model for single U-tube vertical heat exchanger.

介绍了几种常见土壤源热泵u型埋管换热器传热模型，建立了单u型垂直埋管换热器的非稳态传热模型。

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The dynamic response of the U-tube flow manometer is analyzed in the paper. Firslyt, the simplified mathematical model of the U-tube flow manometer is established.

对U形管流体压强计的动态特性进行分析，首先建立了U形管流体压强计的简化数学模型。

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If you're a CEO and your company is going down the tube, you'll hang in twice as long in the U.S. than in Europe.

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U. team injected him with antibiotics and sedatives, put a breathing tube down his throat, and forced pure oxygen into his lungs.

NEWYORKER: Big Med

The complexity of recent attacks on U.S. embassies in the Middle East goes far beyond you-tube videos, and deep into intricate military vs. newly installed government relations as to who ultimately decides how things play out in the Middle East.

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