the drilling rods are made of
Conclusion
Selecting the appropriate drilling materials is crucial for various reasons
Les Barres de Forage Une Introduction aux Matériaux Fondamentaux
The reason:
The suction pipe is not filled with water
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious
The suction pipe is not filled with water
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious