TomKim 发表于 2020-10-13 16:58:26

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


admin 发表于 2020-10-27 17:30:11

谢谢您的分享,金币已奖励!
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