shallow coal seam的意思|示意
浅层煤层
shallow coal seam的网络常见释义
浅埋煤层 文章详细信息 关键词： 浅埋煤层;;地表沉陷;;耦合作用;;数值模拟 [gap=606]Keywords: shallow coal seam;surface subsidence;coupling effect;numerical simulation
shallow coal seam相关短语
1、 shallow coal seam mining 浅埋煤层开采
2、 shallow thick coal seam 浅埋深特厚煤层
3、 approximate shallow buried coal seam 近浅埋煤层
shallow coal seam相关例句
Based on the key strata theory of the ground control and analyzing the condition of geology and mine in the shallow coal seam, the characteristic parameters of the key strata are educed.
基于岩层控制关键层理论，在分析浅埋煤层地质采矿等条件下，得出了浅埋煤层关键层的特征参数。
The reasonable definitional feature of shallow coal seam is analyzed base on the overlying strata's composition, the activity law long-wall mining'soverlying layers and the depth of coal seam.
以煤层上覆岩层组成、长壁回采工作面覆岩活动规律、煤层埋藏深度作为浅埋煤层开采界定指标，论证了指标合理取值。
It is used when mineral deposits are under a shallow, easily removed overburden, and when the vain of ore or seam of coal runs more or less horizontal to the surface.
它适用于矿床埋藏较浅，覆盖层容易剥离，矿脉(煤层)走向与地表大致平行的矿床。