Depressurizing Hydraulic Support with Seperate Front and rear pillars and Control Method Thereof

The invention discloses a depressurizing hydraulic support with separate front and rear pillars and a control method thereof for correcting the inclination of the hydraulic support caused by a roof pressure during extraction at the working face, the hydraulic support comprises a top beam, a base, a...

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Bibliographische Detailangaben
Hauptverfasser:	WANG Lei, LIU Huaifu, LI Jiazhuo, ZHU Chuanqi
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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