This article introduces a refrigeration method using the absorption chiller energized by the district heating system instead of electricity or mechanical energy in summer in Finland.
在夏季采用区域供热系统的热量作为吸收式冷凝器制冷系统的能源，可代替电和机械能源制冷。
Protect your phone from water and sand this summer by using it through a plastic bag.
把手机放到塑料袋，可以避免进入沙子、水。
Protect your phone from water and sand this summer by using it through a plastic bag.
把手机放到塑料袋，可以避免进入沙子、水。
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