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| |||
| improductivo; no productivo (тж. лингв.) | |||
| estéril; improductible; sin producción (о пласте в скважине) | |||
| inefectivo; ineficaz | |||
| непродуктивный: 10 phrases in 6 subjects |
| Aviation | 1 |
| Drilling | 2 |
| Economy | 1 |
| Geology | 1 |
| International Monetary Fund | 1 |
| Oil / petroleum | 4 |