The operating parameters of DTH is related to many factors, its optimization requires a great deal of calculation and demands better computer.
潜孔锤性能参数与许多因素有关，其优化需要进行大量的计算，要求计算机具有较好的性能。
According to the exploration problems in an open-pit mine, a new drilling method using reverse circulation DTH hammer drill is put forward.
针对露天矿钻探施工中存在的问题，提出了利用贯通式反循环潜孔锤进行施工的新方法。
Currently, the DTH RIGS use generally a percussion rotary penetration sys-tem to generate the rotating torque that produces a shearing action for breaking rock.
目前，潜孔钻机普遍采用冲击回转凿入系统，用以产生回转力矩，对岩石产生剪切作用而成颗粒分离。
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