The thermal insulation performance of building external wall is very poor in cold regions in our country, that lead to severe energy waste, environment pollution and poor indoor heat environment.
由于我国寒冷地区建筑墙体保温性能不良，造成了严重的能源浪费，并导致环境污染及室内热环境较差。
The thermal insulation performance of building external wall is very poor in cold regions in our country, that lead to severe energy waste, environment pollution and poor indoor heat environment.
由于我国寒冷地区建筑墙体保温性能不良，造成了严重的能源浪费，并导致环境污染及室内热环境较差。
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