Almanca | İngilizce | |
---|---|---|
Mining | ||
Mining | Kammerpfeilerbruchbau [m] | narrow working |
Mining | Kammerpfeilerbruchbau [m] | post-and-stall (method) |
Mining | Kammerpfeilerbruchbau [m] | rock-chute mining |
Mining | Kammerpfeilerbruchbau [m] | room system (with caving) |
Mining | Kammerpfeilerbruchbau [m] | chequer-board system |