Refrigeration USES imported aircoolingtype refrigerant compressor unit.
制冷采用进口风冷式制冷压缩机组。
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These films can be used to make a new type of loudspeaker that works by heating and cooling the air, rather than bouncing up and down to vibrate the air directly.
The presence of clouds at night can also prevent fog formation of this type, because they trap the earth's heat, not allowing the cooling of the air for condensation.