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3HNA015530-001
3HNA015530-001
3HNA015530-001
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感谢您的关注，真诚的期待与您的合作。
Thanks for paying attention to us and we sincerely hope to have good business with you.
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联系人：郑阿清
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18106937709（微信同号）
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In order to keep the pressure relatively stable, the speed control method and control characteristics need to correspond with the external water demand. PLC control system, the water pressure signal detected by the remote pressure meter is sent to the Programmable Plc, which is converted into a digital quantity which is read into the PLC through the processing of the program software in the PLC, and then the quantity is used as the input signal of the control system of the frequency converter. The flow signal measured by the flowmeter, after AI amplification, is transformed into a digital value which is read into the PLC, and the value will be used as the current input signal controlled by the transducer regulating system. At the same time, the pressure signal and the flow signal are used to observe the pressure change on the whole, and the flow signal is used to calculate the loss of the pipeline to compensate the pressure. The two signals work together to provide water pressure suitable to the actual flow in the pipeline at any state, thus achieving the goal of energy-saving and pressure-stabilized water supply. Frequency converter control system frequency converter to the entire water supply pipeline to take the observation of each quantity, as well as the change of each quantity to make the corresponding processing function. First of all, the frequency converter itself has a certain frequency range, usually initially set to adapt to the water supply pipeline with the larger and smaller frequency range.
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40、雪娃娃
门口有个雪娃娃， 张着嘴巴不说话。 我拿苹果去喂它， 叫它不要想妈妈。
41、小雨点
小雨点，沙沙沙， 落在小河里， 青蛙乐得呱呱呱； 小雨点，沙沙沙， 落在大树上， 大树乐得冒嫩芽； 小雨点 ，沙沙沙，
落在马路上， 鞋子啪叽啪叽啪……
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