| 1. | We heard the swill of flood waters
我们听到洪水的冲击声。 |
| 2. | En iso 717 - 2 acoustics . rating of sound insulation in building and of building elements . part 2 : impact sound insulation
声学.建筑和建筑构件的隔音率.第2部分:冲击声隔绝 |
| 3. | Acoustics - field measurements of airborne and impact sound insulation and of service equipment sound - survey method
声学.空气声和冲击声隔绝及辅助设备声音的现场测量.测量法 |
| 4. | Acoustics - field measurements of airborne and impact sound insulation and of service equipment sound - survey method
声学.空气声和冲击声隔绝以及服务设施声音的现场测量.测量法 |
| 5. | Tests in buildings acoustics - airborne and impact sound insulation - part 7 : laboratory determination of the normalized flanking level difference
建筑物声学检验.气载播声和冲击声隔绝.第7部分:标准 |
| 6. | Standard test method for laboratory measurement of impact sound transmission through floor - ceiling assemblies using the tapping machine
利用夯击机进行冲击声通过地板和天花板组件的实验室测量标准试验方法 |
| 7. | Acoustics - rating of sound insulation in buildings and of building elements - part 2 : impact sound insulation iso 717 - 2 : 1996 ; german version en iso 717 - 2 : 1996
声学.建筑物和建筑物构件隔音评级.第2部分:冲击声隔 |
| 8. | Acoustics . measurement of sound insulation in buildings and of building elements . part 7 : field measurements of impact sound insulation of floors
声学.建筑物和建筑元件的隔音测量.第7部分:地板冲击声隔音的现场测量 |
| 9. | Acoustics - field measurements of airborne and impact sound insulation and of service equipment sound - survey method iso 10052 : 2004 ; german version en iso 10052 : 2004
声学.空气声和冲击声隔绝以及服务设备声音的现场测量 |
