The steam pressure or water pressure drop.
蒸汽压力或给水压力下降。
全开状态零压降。
使用寿命长，阻力低。
Energy costs go up with excessive pressure drop.
如果压降太大，会增加能量消耗。
The leakage through the valve causes the pressure drop.
通过阀的泄漏引起的压力降。
Designed for minimum pressure drop and easy maintenance.
这款止回阀的设计用于最小的压降，维修简便。
The pressure drop is increasing with fill porosity decrease.
而伴随着孔隙率的减小，其流动阻力逐渐增大。
However, the pressure drop occurs almost completely in the plug.
然而，压力降几乎完全发生在多孔塞中。
Presents the theoretical model of pressure drop for flexible duct.
介绍了柔性风管压力损失的理论模型。
As soon as a pressure drop is noticed the nozzle should be replaced.
一旦发现压力降低，喷嘴就需要更换。
Read the pressure drop across the valve with a Watts Series PG meter.
利用美国瓦茨系列PG仪器读出通过阀门的压降。
In the case gas is present, velocity of pressure drop in pump increases.
在有气体存在的情况下，泵内压力下降速度加快。
Reach the set pressure pump auto stop, the resumption of work pressure drop.
到达设定压力时泵自动停止，压力下降时恢复工作。
The pressure drop in horizontal cyclone is only a half of that in vertical type.
卧式旋风筒内压损较小，仅为立式旋风筒的一半。
The pressure drop and mass- transfer efficiency of the new rotating bed are studied.
研究了新型折流式旋转床的压降和传质性能。
The flow pattern and pressure drop graphs are obtained from present experimental data.
分别给出了不同入口条件下实验管段的流型图和压降图。
Large air flow, less pressure drop and low-noise, good blind mobility and reliability.
风量大、噪声低、压头损失少、百叶灵活可靠等。
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。
The characteristics of boiling heat transfer and pressure drop is studied experimentally.
对微型螺旋管蒸发器的沸腾换热与阻力特性进行了实验研究。
Pressure drop is an important technical and economic index of fabric filter.
压力损失是袋式收尘器重要的技术经济指标。
Pressure drop is an important technical and economic index of fabric filter.
压力损失是袋式收尘器重要的技术经济指标。
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