The flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
And those data sources continue to change because of the unsteady and flexible character of the mobile network.
同时由于移动网络的不稳定性和灵活性，这些数据源经常变化或者改变格式。
Vibration amplitude value is not increasing for a long period running, problems are solved thoroughly for severe vibration, frequent accident and unsteady run of the compressors pipe network.
经长期运行后，振动点幅值无增大现象，根本解决了该机组管网振动严重、故障频繁、不能平稳运行等问题。
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