Earlier this year, researchers in Texas reported that green roofs can reduce a building's air conditioning costs by about one-fifth compared to black-top roofs.
今年年初德克萨斯州研究员的报告指出绿色屋顶与沥青屋顶相比可以节省建筑物的空气调节装置的花费的五分之一。
Earlier this year, researchers in Texas reported that green roofs can reduce a building's air conditioning costs by about one-fifth compared to black-top roofs.
今年年初德克萨斯州研究员的报告指出绿色屋顶与沥青屋顶相比可以节省建筑物的空气调节装置的花费的五分之一。
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