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关注:1
2013-05-23 12:21
求翻译:2.7.11.6 Actuators are to be sized to drive the valve to its closed position against the maximum differential pressure taking into account the design pressure of the line in which the valve is installed.是什么意思?![]() ![]() 2.7.11.6 Actuators are to be sized to drive the valve to its closed position against the maximum differential pressure taking into account the design pressure of the line in which the valve is installed.
问题补充: |
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