Requirement: Air inlet must start to open when down stream pressure is 1.0 PSI or above.

要求：当下游流体压力在1.0 PSI及以上时，空气进口必须开始打开。

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Hypersonic viscous interaction effects on measurement of free stream pressure in test section are studied through theoretical analysis, experiment measurement and numerical simulation.

通过理论分析、实验测量和数值模拟，研究高超声速粘性相互作用对实验段自由流静压测量的影响。

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In order to study the evaporation of ethanol-gasoline, experimental investigations had been carried out to determine the saturated stream pressure of some low proportional ethanol -gasoline blends.

为了解乙醇汽油的蒸发性，文中运用雷德法对几种低比例的乙醇汽油进行了饱和蒸汽压特性试验研究。

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Next week, if all goes according to plan, a small mountain of snow will be melted, repeatedly sterilised and then injected in a high-pressure stream of near-boiling water to clear a bore-hole through the two miles of the ice-sheet.

BBC: New age of exploration in the hunt for extreme life

To bring it on stream by January 2012 with the required development of new high pressure equipment is really quite a feat.

FORBES: Energy XXI Rides XOM Purchase To Great First Half

While not everyone is suited to being an entrepreneur, those who build something that other people are interested in can ease the pressure on their expense rollbacks by generating a revenue stream.

FORBES: For Financial Freedom: Reduce Expenses or Grow Income?