浅论缓倾斜极薄矿体削壁充填采矿法发展方向

浅论缓倾斜极薄矿体削壁充填采矿法发展方向的英文翻译

基本释义

• A talk about the orientation of the development of mining gentle dip and extra-narrow orebody by resuing-and-backfilling method