força de perfuração
- Construction Sites During construction, especially in areas with high groundwater levels, drainage pumps are vital for keeping sites dry, allowing work to continue without interruption.
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.