研究了埋地管道泄漏信号波的传播方程，泄漏信号频率特性以及衰减方程。
The buried pipe transfer equation, the frequency character and the attenuation equation of the leak signal are studied.
研究了埋地管道泄漏信号波的传播方程，泄漏信号频率特性以及衰减方程。
The buried pipe transfer equation, the frequency character and the attenuation equation of the leak signal are studied.
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