| 1. | Portable chain saws . determination of sound power levels
油锯.声功率级测定方法 |
| 2. | The aim of asac is to control radiation power
Asac系统最终的目的是控制辐射声功率。 |
| 3. | Brush - cutters . determination of sound power levels
割灌机.声功率级的测定 |
| 4. | Determination of sound power level for noise emitted by gear units
齿轮装置噪声声功率级测定方法 |
| 5. | Print a grade of survey method of power of sound of mechanical noise
印刷机.噪声声功率级测定方法 |
| 6. | The radiated sound power is the active power in sysnoise
回复：讨论如何输出结构的辐射声功率？ |
| 7. | Acoustics - ultrasonic power measurement in the frequency range 0 . 5 - 10mhz
频率范围内超声声功率的测量 |
| 8. | Determination of sound power level for noise emitted by leather machinery
皮革机械噪声声功率级的测定 |
| 9. | Reverberant room method for sound power level testing of ventilators
空调风机噪声声功率级测定?混响室法 |
| 10. | Determination of sound power level for noise emitted by wood working machinery
木工机床噪声声功率级的测定 |
