The pressure surge in fluid transmission pipeline is one of the basic characteristics of fluid dynamic flow.

流体传输管道内的压力脉动反映了流体动态流动的基本特性。

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The advantages are stable in loading pressure, small in pressure surge, simple on autocontrol, economic, easy to maintenance.

并具有加(灌)油压力平稳、水击压力小、自控简单、运行经济、维护方便等优点。

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With the FFT analysis it is analyzed that the pressure surge changing laws in the taper pipe and draft tube in time domain and frequency domain.

通过水压力脉动数据的FFT频谱分析，研究了直锥段和尾水管内部在不同位置不同工况下的压力脉动在时域及频域上的变化规律。

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Strong winds, extremely low pressure and a storm surge during the high tides could cause flooding.

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"Nobody's asking for a precipitous withdrawal, but I do think it has to be a measured, but increased, pressure and a diplomatic surge that includes Iran, " Obama said.

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Fuelled by strong winds, if a surge coincides with low pressure, it could raise the sea level around eastern England by more than 2m.

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