Horizontal Drilling Machine Articles & Analysis
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It can be constructed for piles with a diameter of 0.6m to 2.5m and a depth of fewer than 70 meters. The drilling efficiency is high, and the drill bit can quickly pass through various strata to quickly form holes; under normal circumstances, The drilling speed in the sand layer can reach 10m/h, and in the clay, the layer can reach 4.6 m/h, which ...