18px Arial, Helvetica, sans-serif; WORD-WRAP: break-word; WHITE-SPACE: normal; ORPHANS: 2; COLOR: rgb(51,51,51); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\\\\">High quality Outburst prevention drill/ZQSJ

18px Arial, Helvetica, sans-serif; WORD-WRAP: break-word; WHITE-SPACE: normal; ORPHANS: 2; COLOR: rgb(51,51,51); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\\\\"> 

18px Arial, Helvetica, sans-serif; WORD-WRAP: break-word; WHITE-SPACE: normal; ORPHANS: 2; COLOR: rgb(51,51,51); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\\\\">Mainly used in the drilling and exploration geological structure of coal seam gas hole ground water exploration, coal seam water injection hole and discharge pressure hole, also can be used in the coal lane and half side help of bolt support in coal roadway, meet before blasting hole, anchor of mixing and the installation of the nut. Compared with the existing electric outburst prevention drill, smaller volume, lighter, reduce the labor intensity of workers, and the rig power source for compressed air, compared with electric outburst prevention drill more security. This machine may necessary use with a variety of drilling tools.