
Vacuum technology; rules for the measurement of steam jet vacuum pumps and steam jet compressors using steam as the working fluid
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Vacuum technology; rules for the measurement of steam jet vacuum pumps and steam jet compressors using steam as the working fluid
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频