operating noise
| factor
| operating noise | |
| auto. | 运转噪声 |
| factor | |
| busin. | 代理商 |
| hydroel.st. | 因素; 系数 |
| hydroel.st. од. | 因数 |
| IMF. | 生产要素 |
| interntl.trade. | 客账经纪商; 乘积 |
| math. | 因子，因素，商 |
| met. | 乘数 |
| sport. | 因子 |
| |||
| 运转噪声 | |||
|
operating noise : 2 phrases in 2 subjects |
| Air defense | 1 |
| Technology | 1 |