PDF(181 KB)
PDF(181 KB)
PDF(181 KB)
某矿1 # 主溜井加固实践
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}REINFORCEMENT PRACTICE OF 1 # MAIN CHUTE IN ONE MINE
({{custom_author.role_en}}), {{javascript:window.custom_author_en_index++;}}| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |