1) day-coal
上层煤
2) upper coal seam
上部煤层
1.
e the vertical distance between roadway and its upper coal seam.
本文根据矿山压力的研究成果,阐述底板岩巷和邻近煤层巷道的重要参数—巷道与上部煤层之间的垂直距离Z。
3) coal rise
煤层上山
4) overlying strata of upper coal seam
上位煤层覆岩
1.
To solve the traditional judgments difficulties of the ascending mining, the relationship between the ascending mining and the overlying strata of upper coal seam was expatiated, based on the analysis of the mechanism of ascending mining and the traditional main factors that influence it.
理论分析、数值模拟和工程实践证明,上位煤层覆岩岩性及结构对上行开采有影响。
5) lower upper coal post with loyers
上分层煤柱下
6) coal seams in upper member of Taiyuan Formation
太原组上段煤层
补充资料：法上部
【法上部】
（流派）小乘十八部之一。佛灭后三百年中由犊子部别立，法上者，部主之名。见宗轮论述记。
（流派）小乘十八部之一。佛灭后三百年中由犊子部别立，法上者，部主之名。见宗轮论述记。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条