The temperature control of the producing process of a planar carrier catalytic element has been operated manually so far, which has influence on both identity and productivity of the element.
平面型载体催化元件制作过程的温度控制一直沿用手工操作，从而使元件的一致性与成品率受到较大影响。
The pressure transducer is an important element used for the process metering and pressure control in the industry equipment.
压力变送器是许多工业设备中用以控制工业过程和压力变化的重要元件。
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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