ISO 140-12-2000 声学建筑物和建筑构件的隔声测量第12部分：房

liuxilin1215 发表于 2014-12-10 08:02:34

ISO 140-12-2000 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 12: Laboratory measurement of room-to-room airborne and impact sound insulation of an access floor
声学建筑物和建筑构件的隔声测量第12部分：房间对房间的空气声和共有楼板的撞击声的隔声的实验室测量

admin 发表于 2014-12-10 09:56:17