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由于排灌站是环境保护的重点监督部门之一,对所使用的机械设备在噪声方面有明确要求,为此,我们对典型的水泵的噪声进行了测试和分析。噪声测试普遍使用带倍频程滤波器的精
As irrigation and drainage pumping station is one of the key supervision departments for environmental protection, there is a clear requirement on the noise of the used machinery and equipment. For this reason, we have tested and analyzed the noise of typical pumps. Noise test commonly used with octave filter fine