shallow depth seam的意思|示意

美 / / 英 / /

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