• 1. mine DC method: 矿井直流电法
• 2. Mine DC electrical method: 矿井直流电法勘探

• 1.At present, the pre detection technique of DC method to detect the disaster of the front side of the working face has become one of the effective methods in the coal mine production safety.
  目前直流电法超前探测技术探测掘进工作面前方灾害性水文地质异常体已成为煤矿生产安全方面有效手段之一。
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