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Daily Question on Automation Theory Knowledge (8.16)

2017-08-16View Original

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Process and instrumentation are inseparable; to help everyone gain a better understanding of the basics of instrumentation, we have launched the \"One Question per Day\" series – just reply to get the answers. To encourage ongoing participation from everyone! Get a 3 Wealth reward just for participating! I hope everyone will participate actively, learn together, and make progress together! ! ! Multiple-choice question: 33. During actual operation, the valve position of a control valve should be at ( ) for optimal performance. A、30%~80% ; B, 15%~90% ; C, 20%~100% The answer to this question is: A

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