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              Full rotation rig full casing

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              The rotary drilling rig includes a power station and a working device, and the power of the working device comes from the power station.
               
              Common construction methods for rotary drilling rigs
              Construction method for cast-in-place piles in complex geological formations and special environments
              Construction method for drilling interlocking piles
              Construction method for pile pulling and removal of underground obstacles
              High precision and unbiased steel column insertion construction method

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