pressure-relief vent

The results of this test proved that the reasonable choice of pressure and air vent hole was the critical element for cooing velocity and cooling uniformity.

结果表明，合理地选择压差以及包装箱开孔大小对葡萄的冷却速度、冷却均匀性起着关键的作用。

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Connected with the exhaust vent of the breathing mask or the respirator by corrugated tubes, this device gathers exhalation containing a large amount of causative agents through the completely leakproof ductwork and then expels purified air after multiplicate disinfection by high temperature, high pressure and chemical disinfectant.

该装置以波纹软管与呼吸面罩或呼吸机上的排气孔连接，于完全密封的管道系统收集含有大量致病因子的呼出气，经高温、高压及化学消毒剂等多重杀毒灭菌后排出清洁空气。

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Experimental Investigations of Pressure Development During Explosion Vent from Cylindrical Vessels

柱形容器开口泄爆过程中压力发展特性的实验研究

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Caution: Do not direct water streams toward venting oxygen. The water will freeze and plug the pressure-relief vent, which may result in container failure.

警告：禁止直接让水流向正排出的氧。水会结冰并堵塞减压装置的出口，这会造成容器故障。

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It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.

配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。

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Observation Experience of Wind Velocity in Air Vent and Cavity Negative Pressure

通气孔风速和空腔负压观测经验介绍

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A direct-acting vent valve is tightest when tank pressures are percent or less of set pressure.

当罐压力为设定压力的75%或更低时,直接作用式通气阀有最好的气密性.

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After investigation and analysis, an improved measure was adopted in this system by adding vent pipe to oil tank at back position of pressure meter valve in each AC and DC oil pump exit, that has been proved correct in practice.

经研究分析，对系统进行了改造，将交、直流油泵压力表管阀门后各加装一条回主油箱的放空气管，实践表明是正确的。

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Slowly open vent needle valve just as air inlet opens. Record differential pressure.

当空气进口开启时,慢慢开启排气针形阀. 记录压差.

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To explore the growth condition of the culturable microorganisms around a deep-sea hydrothermal vent at normal atmospheric pressure, factorial experimental design was used in the experiments.

研究采用析因实验设计，探讨了光照和培养温度对深海热液喷口周围可培养微生物生长繁殖的影响。

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The vent system must keep the tank pressure within the permitted limits during ground pressure refueling.

飞机地面压力加油系统通气能力计算是飞机燃油系统设计的重要环节。

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