The open and close of septa velum Clique is by the pipeline pressure on the septa velum Clique .

隔膜阀的关闭与开启是通过来自管路的压力作用于增强橡胶隔膜实现的。

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Kalman filter model of oil pipeline pressure wave is given out and the influences of model parameters on filtering effect are analysed.

给出了输油管道压力信号的卡尔曼滤波模型，并分析了模型参数对滤波效果的影响。

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This aspect is to reduce the pipeline pressure loss, the other is to avoid the path contraction obstacle to the mechanical cleaning pipelines.

这一方面是为了减小管线的阻力损失，另一方面是为了避免通径收缩后给机械清扫管线造成障碍。

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Only then is it ready to go into a KMP or EPD main high pressure sales pipeline.

FORBES: We're Headed To $8 Natural Gas

In September 2008, a high-pressure natural gas pipeline operated by BP ruptured, sending two segments of pipe flying 900 feet across the tundra.

WSJ: As CEO Hayward Remade BP, Safety, Cost Drives Clashed

Pakistan will pursue a gas pipeline deal with Iran despite international pressure, Foreign Minister Hina Rabbani Khar has said.

BBC: Pakistan defends Iran gas pipeline deal