hanging wall drift

同义词释义

1)hanging wall drift,上盘平巷2)hanging wall,上盘3)plate bonding,上盘4)hanging side,上盘5)top wall,上盘6)upper side,上盘7)upper wall,上盘8)Hanging side (wall),上盘9)upper plate,上盘10)upthrow,上盘