Mining Preparation of Decline of the Vein

cavernous portal vein portal vein cavernous transf

continuous vein to vein hemofiltration

reticular vein netted vein

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

1# vein

595# quartz vein

abdominal vein

accessory cephalic vein

accessory hemiazygos vein

accessory subcostal vein

accessory vein

accompanying vein