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北京地质仪器厂召开高密度电阻率仪方案论证会７月４日，北京地质仪器厂邀请了国内各部门从事工程电法勘探专家，对该厂与中国地大（北京）联合开发研制的高密度电阻率仪方案进行了论证。经充分讨论与会专家一致认为，北京地质仪器厂与中国地大（北京）联合开发研制的高密...
Beijing Geological Instrument Factory held a high-density resistivity meter demonstration program On July 4, Beijing Geological Instrument Factory invited all departments in the country engaged in engineering electrical prospecting experts on the plant and China (Beijing) jointly developed high-density Resistivity meter program demonstrated. After full discussion of experts agreed that the Beijing Geological Instrument Factory and China (Beijing) jointly developed high density ...