在许多国有企业、尤其是地处城郊和非城市的大中型国有企业中，一般都有自己的变电站和配供电网。职工生活用电和多经三产用电通常都与企业的生产用电捆在一起。笔者了解到的一家大型国有煤矿的情况，很有代表性。由于该煤矿地处山区边远地带，企业承担着庞大的办社会职能... Many state-owned enterprises, especially large and medium-sized state-owned enterprises located in suburban and non-urban areas, generally have their own substations and distribution network. Workers’ electricity consumption and the use of multiple production and production are usually bundled with the company’s production electricity. The situation of a large-scale state-owned coal mine that the writer has learned is very representative. As the mine is located in the outlying areas of the mountains, the company is undertaking a huge social function...