
Industrial process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 65B/476/CD:2002)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Industrial process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 65B/476/CD:2002)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频