矿井关闭时对矿井入口的工程处理手段
- مؤلف: United Nations Economic Commission for Europe
- العنوان الرئيسي: 有效回收利用废弃煤矿瓦斯最佳实践指南 , pp 64-64
- تاريخ النشر: أبريل ٢٠٢١
- DOI: https://doi.org/10.18356/9789210044943c017
- Language: الصينية
© 2020 United Nations
ISBN (PDF):
9789210044943
Book DOI:
https://doi.org/10.18356/9789210044943
Sustainable Development Goals:
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