噪声低（SiphonWashCloset）史密斯雷建国告诉您虹吸式是借冲洗水在便器的排污管道（通常称为存水弯道）内充满水后形成的虹吸现象，将污物排走。
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键击噪声低音噪声 thump
光及电噪声低于零海况 DSSO
低噪声放大器 LNA ; low noise amplifier ; LTC Low Noise Amplifier
低噪声电子电路 Low-Noise Electric Circuit
低噪声电子设计 Low-Noise Electronic Designing ; Noise Electronic Designing
低噪声放大与弱检 Low-Noise Increasing & Decreasing ; Low-Noise Increasing & ; Decreasing ; Low-NoiseIncreasing& Decreasing
噪声降低 [环境] [电子] noise reduction ; reduction noise
低噪声阀 low noise valve
低噪声接收机 low noise receiver ; noise-free receiver ; receiver low noise
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