DTH-A(位移传感器)小型轻巧,高精度,大功率载荷容量:5-100mm非线性:±0.1%RO以内滞后:±0.1%RO以内额定输出:5mV/V±0.1%测力:约1.5-4N
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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。
Difficulties are encountered in drilling in boulder formation are efficiently eliminated by using of a combined drilling technique which combines casing drilling with DTH drilling method.
本文介绍的采用套管钻进和潜孔锤钻进相结合的复合性钻进工艺,有效地解决了在卵砾石层中钻进的难题。
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