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标题: IEC 60534-8-3:2000 [打印本页]

作者: 阿肯肯肯_49265 时间: 2017-9-26 09:47:48 标题: IEC 60534-8-3:2000

IEC 60534-8-3:2000Industrial-process control valves –Part 8-3:
Noise considerations –
Control valve aerodynamic noise prediction method

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作者: admin 时间: 2017-9-27 09:53:01

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