engine noise
| suppression
| engine noise | |
| ecol. | 发动机噪声 |
| suppression | |
| avia. | 镇压 |
| comp. | 禁止打印 |
| econ. | 遏制 |
| forestr. | 火灾控制; 防火 |
| hydroel.st. | 排除 |
| hydroel.st. од. | 抑制 |
| |||
| 发动机噪声 | |||
| 引擎噪音 | |||
|
engine noise : 13 phrases in 7 subjects |
| Automobiles | 4 |
| Aviation | 1 |
| General | 2 |
| Nautical | 3 |
| Scientific | 1 |
| Space | 1 |
| Technology | 1 |