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节约土地,节约能源以及环境保护的各种新型材料的发展,使得建筑产品在结构上发生了比较明显的变化,在建筑行业上面临着空前的转型和挑战。
The development of various new materials such as land conservation, energy conservation and environmental protection has led to significant structural changes in construction products. The construction industry is facing an unprecedented transformation and challenge.