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severe acoustic noise
| environment
| severe acoustic noise | |
| avia. | 严重的噪声 |
| environment | |
| bridg.constr. | 周围情况 |
| earth.sc. | 外界 |
| environ. | 环境 |
| hydroel.st. | 环境 |
| space | 设备; 设施 |
| |||
| 严重的噪声 | |||
| 严重声频噪声; 强声频噪声; 严重音响噪声 | |||
| severe acoustic noise: 2 phrases in 1 subject |
| Electronics | 2 |
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