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本文阐述了静电在煤矿井下的危害性，指出了煤矿井下存在的人体静电源、煤尘静电源以及生产环境静电源的放电给采煤生产所造成的危害。
This article describes the dangers of static electricity in coal mines, and points out the harm to the coal mining caused by static sources of human body, static electricity sources of coal dust and static electricity sources in the production environment.