In the end we control the electromagnetism valve by switching signal with using PLC and achieve the intention that we can use the exterior circuitry to automatically transport in electricity.
电气部分用开关信号通过PLC来控制电磁阀，并运用外部线路来达到自动输送计量的目的。
This text still abandons the thought that control through the end pressure and put forward a new control method that can consider all factors of the system and direct control the valve.
本文还摒弃末端压差控制的思想，提出一种综合考虑各方面的因素直接控制阀门开度使之适应负荷变化的控制方法。
From the viewpoint of the systems, we establish dynamics model based on the hydraulic reciprocating pump based on control of rotary valve to drive triplex reciprocating pump end.
从系统的观点出发，建立了基于转阀控制的液压三缸往复泵的系统动力学模型。
The control end of the two-position five-way valve (8) is connected with a compressed air inlet pipe through a switch (11).
两位五通阀(8)的控制端通过开关(11)与压缩气进气管连接。
As a simple device without moving parts, vortex tube is composed of nozzle, vortex chamber, separating plate, control valve, hot-end and cold-end.
由于冷端孔板的阻隔，外层气流便高速螺旋状向热端管运动，流动的涡流特性也同时向热端管运动而逐渐减弱。
When the control valve at the end of center pipe was widely open, the pipe failure was mainly caused by high-temperature oxidation.
当中心管末端调节阀开大时，中心管损坏原因主要为高温氧化；
Of large air-conditioning system, using the manual control valve regulating the complex process of manually adjusting the front-end valves, back-flow will be affected.
对大型空调系统而言，采用手动调节阀调节过程复杂，手动调节前端阀门，后端流量会受影响。
The upper end of the vertical through hole is provided with a rotary control valve which controls the fire-feeding amount.
在垂直通孔的上端，设置有控制上火量的旋转控制阀。
The upper end of the vertical through hole is provided with a rotary control valve which controls the fire-feeding amount.
在垂直通孔的上端，设置有控制上火量的旋转控制阀。
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