Propellant property and nozzle closure opening pressure have an important effect on the ignition transient.

推进剂的燃烧特性及喷管堵盖打开压强对点火升压过程有较大影响。

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Finally, on the basis of analysing above-mentioned measured results, a method of distinguishing nozzle opening pressure change is set up.

最后，在分析上述测量结果的基础上，建立了一种判别喷油开启压力大小的方法。

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The function of relief valve on valve regulated lead acid batteries and influential factor for determining opening pressure was discussed.

讨论了安全阀在闹控铅酸蓄电池中的作用和确定开阀压力应考虑的因素。

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Becoming vulnerable, and understanding that we need to talk about what happened, is the first step in opening the emotional pressure valve that is inside all of us.

CNN: There is no shame in not being Superman

The home side started brightly, perhaps boosted by the news that club legend Henrik Larsson was watching from the stands, but could not carve out a clear chance in the opening minutes despite their pressure.

BBC: Celtic 9-0 Aberdeen

Dusautoir drove over from close range after a period of sustained pressure for the opening try.

BBC: Toulouse 17-3 Dragons