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| leaching procedure (почвы) | |||
| washing method (для улавливания пылевых частиц) | |||
| circulating method; washing method | |||
| flushing method (лака) | |||
| leaching operation | |||
| метод промывки: 8 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Oil / petroleum | 4 |
| Technology | 1 |