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Водоносный слой пресной воды
| Глоссарий по охране вод |
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Fresh water g roundwa te r agu i fe r, английский
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Friction head, английский
- Запас давления (на отправном конце трубы для компенсации потерь энергии на трение в трубах в связи с колебаниями потока нефти)
- In a piping system, the pressure drop expended in overcoming frictional resistance to flow.
- The pressure required to overcome the friction created by the flow of a confined liquid, such as the flow of a drill fluid through drill rods.
- That part of the hydraulic-feed yoke on a diamond drill containing the bearings connected to and by means of which the thrust of the hydraulic-feed pistons is transmitted to the drive rod in the drill swivel head. also called cage, collar.
- Потери напора на трение
Fresh water g roundwa te r agu i fe r, английский
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