GB/T 19889.7-2022声学建筑和建筑构件隔声测量第7部分:撞击声隔声的现场测量国家标准
英文:Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7 : Field measurement of impact ...
英文:Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7 : Field measurement of impact ...