建筑外窗空气渗透性能分级及其检测方法 meaning in Chinese

graduation of air permeability and their test method for windows

At present , national standards including graduation and test method for thermal insulating properties of windows ( gb8484 - 2002 ) and graduation and test method for air infiltration of windows ( gb71017 - 2002 ) regulate the two indexes of thermal transmittance and air infiltration of windows , but the standards don ’ t involve the test method for building shading performance of windows
现行国家标准包括《建筑外窗保温性能分级及其检测方法》 ( gb8484 - 2002 )和《建筑外窗空气渗透性能分级及其检测方法》 ( gb71017 - 2002 )中对窗户的传热系数和空气渗透量这两项指标做了规定,但是没有涉及到建筑遮阳性能的检测。