Process control is under the influence of all parts of loop, but the most direct and apparent part is the final element i. e. control valve.
过程控制中的各个环节对控制都有影响，而最终环节即调节阀对过程控制的影响最为直接和明显。
Process control is under the influence of all parts of loop, but the most direct and apparent part is the final element i. e. control valve.
过程控制中的各个环节对控制都有影响，而最终环节即调节阀对过程控制的影响最为直接和明显。
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