GB 28378-2019淋浴器水效限定值及水效等级标准
英文:Minimum allowable values of water efficiency and water efficiency grades for showers GB 28378-2019介绍: 国家标准《淋浴器水效限定值及水...
英文:Minimum allowable values of water efficiency and water efficiency grades for showers GB 28378-2019介绍: 国家标准《淋浴器水效限定值及水...