| 1. | Procedures for outdoor measurement of sound pressure level 室外测量声压级的程序 |
| 2. | The great weight snapped the metal bar ( in two ) 重量很大把金属杆喀吧一声压成两截了 |
| 3. | Measuring instruments for air borne acoustics pressure 空气声声压计量器具 |
| 4. | Expressing sound pressure with strength and weakness of sound 声音的强弱宜用声压直接表示 |
| 5. | Measuring instruments for underwater sound pressure 水声声压计量器具 |
| 6. | Sound pressure levels of ac power circuit breakers , measurement of 交流电流断路器声压级的测量 |
| 7. | Measurement of sound pressure levels in air 空气中声压级的测量 |
| 8. | Pressure frequency response of microphone 传声器声压频率响应 |
| 9. | Maximum sound pressure level of microphone 传声器最高声压级 |
| 10. | Metal - cutting machine tools - measurement method of sound pressure level 金属切削机床噪声声压级测量方法 |