... 户内开关设备和控制设备 indoor switchgear and controlgear 户内外绝缘 indoor external insulation 户内支柱绝缘子 indoor post insulator ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
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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