footwall remnant下盘残矿
orebody footwall矿体下盘
footwall l下盘
footwall triangular下盘三角
footwall drift回收进路
footwall blasting底帮爆破
footwall block下盘断块
footwall shaft[矿业] 下盘斜井
footwall zone底板岩带
N（名词） the rocks on the lower side of an inclined fault plane or mineral vein 下盘 → compare hanging wall