Currently has a long auger, lime machine, High Pressure Jet Drilling Rig, strong drill Roofbolter more than 10 varieties of five series.
目前已形成长螺旋钻机、灰土桩机、高压旋喷钻机、强冲钻机、锚杆钻机五大系列10多个品种。
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8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.