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  • Noise reduction project in the living water pump room
    Noise reduction project in the living water pump room
    2018-06-27
    The noise of the pump room is mainly composed of refrigeration unit, motor, fan and so on. Its noise is mainly medium and low frequency noise. The characteristics of middle and low frequency noise are strong diffraction ability, strong transmission ability and difficult sound absorption. It is the most difficult problem in noise control. The noise in the machine room is too large, thus aggravating the pollution of transmission noise. Degree. The key problem in the noise control
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