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井筒十字中线的精确标定是工业广场总平面设计和各种建筑物和构筑物施工测量的基本控制,有时矿井建设工程设计和施工测量的依据。
Accurate calibration of wellbore cross center line is the general control of industrial square total plane design and construction measurement of various buildings and structures, and sometimes the basis of mine construction engineering design and construction measurement.