| 1. | Procedures for outdoor measurement of sound pressure level
室外测量声压级的程序 |
| 2. | Methods of a - weighted sound pressure level measurement for pumps
泵用加权噪声压强的测量方法 |
| 3. | Sound pressure levels of ac power circuit breakers , measurement of
交流电流断路器声压级的测量 |
| 4. | Measurement of sound pressure levels in air
空气中声压级的测量 |
| 5. | Maximum sound pressure level of microphone
传声器最高声压级 |
| 6. | 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 |
| 7. | Rolling bearings - measuring methods of a - weighted sound pressure levels
滚动轴承. a加权声压级的测量方法 |
| 8. | Measurement of sound pressure level for sound signal appliances by seagoing vessel
海船声号器具的声压级测量 |
| 9. | Mechanical presses - methods of measurement of a - weighted sound pressure level
机械压力机. a -加权声压级测量方法 |
| 10. | Methods for the measurement of sound pressure levels of ac power circuit breakers
交流电源断路器声压电平的测量方法 |
