The constructing units shall strictly attain the standard of the economic design of buildings and adopt the new building materials and energy efficient products.
建筑施工单位应当严格执行建筑节能设计标准，采用新型建筑材料和节能产品。
The constructing units shall strictly attain the standard of the economic design of buildings and adopt the new building materials and energy efficient products.
建筑施工单位应当严格执行建筑节能设计标准，采用新型建筑材料和节能产品。
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