couverture conique de briseur
There are several types of drainage pumps, each designed for specific applications
- Drill Bit The drill bit is specifically designed to handle various rock types. It is typically made from durable materials like tungsten carbide.
2, according to the aperture is not the same, the drill can be divided into light drilling rig, medium drilling rig, heavy drilling rig.
2, according to the aperture is not the same, the drill can be divided into light drilling rig, medium drilling rig, heavy drilling rig.