qualité de l'arbre de pompe
2. Versatility DTH rigs can be utilized in various applications beyond mining, such as construction, water well drilling, and geotechnical investigations. Their adaptability to different drilling sizes and configurations makes them useful across multiple industries.
down the hole drilling rig

Problem: The pump does not produce water, and the vacuum gauge indicates a high vacuum
Problem: The pump does not produce water, and the vacuum gauge indicates a high vacuum