drop in pressure

If there is a constant drop in pressure, there is a leak in the system.

如果压力不断减小，则说明系统存在泄漏。

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Drop in pressure, flu prevention also have a certain effect.

在降血压 、 预防流感上也有一定的效果.

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They discovered a drop in pressure in the fuel cells that supplied electricity.

他们发现供电的燃料电池电压下降。

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Recent innovations in filter media technologies focusing on filters for commercial and residential HVAC, portable air cleaners and vacuum cleaners were discussed. Utilization of this filter media technology allows for achieving MERV 16 level filtration at pressure drop lower than that of MERV 10 filters.

论述了关于商用和住宅HVAC、便携式空气净化器和真空吸尘器的最新过滤介质创新技术，利用该技术可达到MERV16过滤水平而压降低于MERV10过滤器。

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Another research subject investigates the heat-transfer and pressure-drop performance in three test tubes fitted with single, twin and triple twisted-tapes.

另一研究主题探讨圆管中嵌入单、双与参扭旋片之热传与压降现象；

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Pressure drop is another important disquisitive branching in the investigation of oil-water two-phase flow.

压降计算是油水两相水平管流的另一个重要的研究课题。

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The numerical results show that in an upward boiling flow, the gravitational pressure drop is predominant among the three components.

结果表明：垂直上升流动沸腾中重力压降占主导地位；

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in his design, moisture-laden air enters the system and is cooled by a drop in pressure behind the wind turbine blades, says whisson.

在他的设计，水分-拉登的空气进入系统，并正在冷却下降，在压力背后的风力涡轮机叶片，说whisson。

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Paraffin in the ground in order to gel-like soluble oil, when the drop in pressure and temperature can be separated from the oil.

石蜡在地下以胶体状溶于石油中，当压力和温度降低时，可从石油中析出。

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If upper taper sieve trays replace common sieve trays in practice, plate pressure drop will be decreased evidently.

最后得出上锥形筛板可以在实际中取代普通筛浙江工业大学硕士学位论文摘要板，在不影响其他传质的情况下，可大大降低塔板压降。

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There was a drop in pressure in the pulmonary artery.

肺动脉的压力出现下降.

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There is a drop in blood pressure and the heart rate falls.

血压下降，心率下降。

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