However, the water temperature is 20 degrees below, the saturation vapor pressure negligible.

但是, 水温为20摄氏度以下时, 饱和蒸汽压力可忽略不计.

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However, the water temperature is 20 degrees below, the saturation vapor pressure is negligible.

但是, 水温为20摄氏度以下时,水泵, 饱和蒸汽压力可疏忽不计.

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