Insulating glass is not only block cold and hot, but also can isolate noises, which greatly decrease the energy-cost for keeping temperature inside the building.
中空玻璃不仅把热浪、寒潮挡在外面，还能隔绝噪音，大大降低建筑保温所需的能耗。
Insulating glass is not only block cold and hot, but also can isolate noises, which greatly decrease the energy-cost for keeping temperature inside the building.
中空玻璃不仅把热浪、寒潮挡在外面，还能隔绝噪音，大大降低建筑保温所需的能耗。
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