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1. As the engineering drilling rig is a special vehicle, the operator shall receive the training and guidance from the manufacturer, have a full understanding of the structure and performance of the m

Air leg rock drill is a new and efficient drilling machine. Pneumatic leg drill is widely used in quarrying, mining, tunneling and various kinds of drilling operations to drill blasting hole, is an in

The drill is powered by compressed air used to start the machine, is the most common rock drilling machinery is the wind - compressed air for the power of the drill. This type of drill is mainly used

1. Water well drilling rig operators shall receive training and guidance from the manufacturer, have a full understanding of the structure and performance of the rig, and obtain certain experience in

Air leg rock drill is a kind of high efficiency drilling machinery. It is widely used in rock tunneling and various drilling operations to drill blasting holes, is an important tool in stone works suc

The drill bit plays an important role in the drilling process of the water well drilling rig, the quality of a drill bit directly affects the drilling efficiency and hole quality of the well, so we ne