煤矿年工作日276d对矿井设计的影响分析
丁易,陈伟绪,彭磊
Explanation for " The GuoFa No.7 File of the State Council - The Mine Working Days"
煤炭工程 . 2016, (9): 46 -47 .  DOI: 10.11799/ce201609013