It has no compressor, need not freon, rely on the built-in pump let water in the machines, and will continuously circulation around the air cooling.
它没有压缩机，不用氟利昂，靠内置的水泵让水在机内不断循环，并将周围的空气冷却。
Inside the cabinet are an air compressor and a vacuum pump.
盒子内部是一台空气压缩机和一台真空泵。
The compressed air system for atmospheric air, will air inhaled air compressor, after volume compressed pump into the compressed air system.
压缩空气系统的气源为大气，将空气吸入空压机中，经过体积压缩后泵入压缩空气系统。
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