整个建筑的能量损失中，约50%是在门窗上的能量损失。
In the energy cost of the whole building, around 50% are lost through doors and Windows.
同时，建筑局部的门窗可以开关。
At the same time, the doors and Windows can switch local construction.
建筑物五金。门窗螺栓。要求和试验方法。
Building hardware - Door and window bolts - Requirements and test methods.
进一步研究了单面墙体门窗开启对建筑物所受风荷载的影响。
Effects of opening on single wall to wind load were also discussed.
进一步研究了单面墙体门窗开启对建筑物所受风荷载的影响。
Effects of opening on single wall to wind load were also discussed.
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