本世纪末,我国煤炭产量要翻一番,达到12亿吨,这是我国400多万煤矿职工义不容辞的历史责任。要完成这项历史赋予的光荣而艰巨的任务,主要靠什么?靠科学技术的进步!纵观当今世界各先进产煤国家如美、英、法、西德、苏联、波兰、日本等国的煤炭生产技术状况,发现一个总的趋势是:随着煤炭生产过程机械化程度的提 At the end of this century, China’s coal production will double to 1.2 billion tons, which is an unshirkable historical responsibility of more than 4 million coal mine workers in our country. To accomplish the glorious and arduous task entrusted by this history depends mainly on the progress of science and technology. Looking at the advanced coal producing countries in the world such as the United States, Britain, France, West Germany, the Soviet Union, Poland, Japan and other countries The status of coal production technology, found a general trend is: With the degree of mechanization of coal production process mention