depth 150m water well drill rigs

深さ150mの井戸の掘削装置の油圧アンカー訓練機械

Portable Anchoring Lifting Hydraulic Rig Machine Small Water well Hydraulic Rig Machine Installation of hydraulic rig machine: 1. When the drill rods are connected by threads, the power heads can be returned only when the gripper pinches the drill rods and turns them back when adding and disconnecti...