Baoding Regional differences Economic developing synthetical order Econormic regional coefficient of variability Economic developing total Z index
promote fundamental shifts in the economic system and mode of economic growth
full-mechanized caving mining with large mining he
Full-mechanized Caving Mining with Large Mining Height
fully mechanized caving mining face with extra long mining length
fully mechanized mining with great mining height
mining damage due to mining
mining hight fully mechanized mining
transition from open cast mining to underground mining
underground Mining and Open Pit Mining
Greater China economic region
“gold triangle” economic zone
a new round economic growth
a reform of economic system
accelerate the process of economic reform
accounting of green economic