shallow depth seam的意思|示意
浅深煤层
shallow depth seam的网络常见释义
浅埋煤层 ...层长壁综采工作面矿压显现规律实测分析 关键词：浅埋煤层;矿压观测;支架阻力;应力分布 [gap=1042]Key words: shallow depth seam; mine pressure observation; powered support suitability; stress distribution ..
shallow depth seam相关短语
1、 shallow buried depth coal seam 浅埋深煤层
2、 thick seam with shallow depth 浅埋厚煤层
shallow depth seam相关例句
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。