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Pneumatic roof bolter machine is the bolt support equipment for roadway used in coal mine. It has outstanding advantages in improving support effect, reducing cost, accelerating roadway formation spee

A screw air compressor is a device used to compress gas. Screw compressor - is a rotary positive displacement compressor, in which the two rotors with spiral gear mesh with each other, so that the vol

One, air leg rock drill the general provisions of the drilling workers must undergo special training, after passing the examination, can hold a license to work.

Water well drilling rig construction should also pay attention to reduce wear. Support sprocket, support wheel, drive wheel and rail chain link these are easy to wear parts, but, according to the impl

What is an air leg rock drill? What are the characteristics and advantages of pneumatic leg drilling tools? Operators who need to use mining machinery should know something about the pneumatic leg dri

Air leg rock drill is a modern drill products, the air leg drill adopts the design technology of modern drill, compared with the same type of products, has the advantages of low noise, light weight, g