control survey of mining area
... 矿场平面图 mining yard plan 矿区把握测量 control survey of mining area 矿区把握测量 control survey of mining area ...
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Based on the design and survey results, a reform scheme of the planar control network in Guishigou mining area is put forward.
对阳煤集团贵石沟矿区平面控制网的设计和测量成果提出了改建方案。
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