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标题: IEC 60534-2-4 Industrial Process Control Valves [打印本页]

作者: TomKim 时间: 2020-10-13 16:58:26 标题: IEC 60534-2-4 Industrial Process Control Valves

IEC 60534-2-4 Industrial Process Control Valves - Flow capacity Equations

Part 2: Flow capacity
Section Four-Inherent flow characteristics and rangeability

First edition
1989-1O

作者: admin 时间: 2020-10-27 17:30:11

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