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云锡地质勘探队十月份大放钻探高产卫星,该队501机与304机分别创造岩心钻探台月效率2068公尺及1884
In October, the Yunnan-Geological Exploration Team put a large-scale drilling program on high-yield satellites. The 501 and 304 units of the team created a drilling rig with a monthly efficiency of 2068 meters and 1884 meters, respectively