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sound level meter
| attenuator
| sound level meter | |
| avia. | 噪声测试器 |
| earth.sc. | 声水位计 |
| space | 声音强度计; 声级计 |
| tech. | 音级仪; 音级计; 嗓声计 |
| wind. | 噪声计 |
| sound-level meter | |
| el. | 音级计 |
| attenuator | |
| el. meas.inst. | 衰减器 |
| |||
| 音位计 | |||
| 噪声测试器 | |||
| 声水位计 | |||
| 声音强度计; 声级计 | |||
| 音级仪; 音级计; 嗓声计; 噪声指示计 | |||
| 噪声计 | |||
| |||
| 音级计 | |||
| 声级计; 噪声计 | |||
| |||
| 声压计 | |||
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sound level meter : 15 phrases in 5 subjects |
| Automobiles | 1 |
| Electronics | 1 |
| Nautical | 2 |
| Otorhinolaryngology | 3 |
| Technology | 8 |
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