论文部分内容阅读
我国小煤矿为数众多,曾经在历史上发挥过重要作用。改革开放初期,国家鼓励个人建矿,小煤矿为解决国家能源紧缺做出了很大贡献。但发展到今天,许多小煤矿已成为矿难频发的重灾区。由于技术力量薄弱,缺乏完善的生产技术和
The large number of small coal mines in our country has played an important role in history. In the early stage of reform and opening up, the state encouraged individuals to build mines and small mines made great contributions to solving the country’s energy shortage. But today, many small mines have become hardest hit by mining accidents. Due to the weak technical force, the lack of perfect production technology and