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Determined direct evaporative cooling with Lanzhou subway summer air-conditioning outdoor calculated dry bulb and wet bulb temperature of 28.2°C and 18.1°C respectively. In turn, by simulating the entry conditions, tested the stainless steel packing, the aluminum foil packing, the plant fiber packing, the glass fiber packing and polymer filler packing 5different packing types at the different thickness,...
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