| |||
production test; performance test | |||
efficiency test | |||
productivity test (скважины) | |||
| |||
efficacy trials (сельскохозяйственных культур Ivan Pisarev) | |||
productivity test (скважины) |
испытание на продуктивность : 6 phrases in 4 subjects |
Agriculture | 2 |
Drilling | 1 |
Oil / petroleum | 2 |
Sakhalin | 1 |