摘要
为提升采出率并保护环境,文章介绍正常煤层赋存区的干净开采和"三下"煤层赋存区特殊开采时可供选择的几种采煤工艺。
To enhance the recovery rate and protect the environment,the article describes several kinds of recovery methods that can be selected for the clean recovery of normal coal bed area and the special recovery at ＂three under＂ coal area.
出处
《价值工程》
2011年第3期267-267,共1页
Value Engineering
关键词
煤炭采出率
干净开采
特殊开采
coal recovery ratio
clean recovery
special recovery
