
End-suction centrifugal pumps (rating 16 bar) - Designation, nominal duty point and dimensions (ISO 2858:1975)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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End-suction centrifugal pumps (rating 16 bar) - Designation, nominal duty point and dimensions (ISO 2858:1975)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频