论文部分内容阅读
全国现有各种体制的地方煤矿共9.3万处,1990年生产原煤5.82亿 t,占全国原煤总产量的54%。其中地方国营煤矿2547处,生产原煤2.05亿 t,乡镇煤矿约9.1万处,生产原煤3.77亿 t。其中年产3万 t 以上的矿井,地方国营煤矿1700多处,能力1.91亿 t;乡镇煤矿3100多处,能力约1亿 t。1990年与1980年相比,地方煤矿产量增长了3.07亿 t,翻了一番多,占全国煤炭总增长量的72.8%。从1985年起,随着地方煤矿产量的增加
There are a total of 93,000 coal mines in various places with various systems in the country and 582 million tons of raw coal in 1990, accounting for 54% of the country’s total output of raw coal. Among them, 2547 are state-owned coal mines, producing 205 million tons of raw coal, 91,000 townships and towns coal mines, and producing 377 million tons of raw coal. Among them, there are more than 30,000 mt of coal mines and more than 1,700 state-owned mines with a capacity of 191 million t. There are more than 3100 townships and mines with a capacity of about 100 million tons. In 1990, compared with 1980, the output of local coal mines increased by 307 million tons, more than doubled, accounting for 72.8% of the total coal output in the country. Since 1985, with the increase of the output of local coal mines