SHALLOW SEAM WATER CONSERVATION MINING METHOD AND APPLICATION THEREOF

Disclosed are a shallow seam water conservation mining method and an application thereof. According to the method, in a working face, a plurality of pre-bored tunnels is vertically or obliquely demarcated from a main transport tunnel (1), tunnel boring is conducted at multiple sites at the same time...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG, Dongsheng, WANG, Shuokang, MA, Liqiang
Format: Patent
Sprache:chi ; eng ; fre
Schlagworte:
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