Control circuit through the loading or unloading coolant compressor and make the air-freeze agent in the heat exchanger compressed air temperature constant.

控制电路通过加载或卸载冷冻剂压缩机而使空气-冷冻剂热交换器中的压缩空气温度保持恒定。

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Bench of closed circuit cooling tower that is composed of boiler, exchanger, orifice flowmeter, water pump, micromanometer, heat indicator and so on is established.

建立了由锅炉、换热器、孔板流量计、水泵、微压计、温度计等仪器设备组成的封闭式冷却塔实验台。

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