الصفحة الرئيسية > Term: stall-and-room working
stall-and-room working
A pillar method of working a relatively thick coal seam by a system of compartments; a modification of pillar-and-stall.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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المنشئ
- ed.young
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(Milwaukee, United States)