In building energy-saving design, energy-efficient building envelope of commitment that a large proportion of building energy conservation is one of the key.
建筑围护结构节能承担建筑节能相当大的比例，是建筑节能的重点之一。
In building energy-saving design, energy-efficient building envelope of commitment that a large proportion of building energy conservation is one of the key.
建筑围护结构节能承担建筑节能相当大的比例，是建筑节能的重点之一。
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