The steam pressure or water pressure drop.

蒸汽压力或给水压力下降。

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The variation of steam density due to large pressure drop should be taken into account.

设计和计算时需考虑蒸汽密度的变化。

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The drop in temperature condensed the steam to water.

温度下降使蒸汽凝成了水。

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The drop in temperature condensed the steam to water.

温度下降使蒸汽凝成了水。

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