الصفحة الرئيسية > Term: center
center
A temporary timber framework upon which the masonry of an arch of reinforced masonry lintel is supported until it becomes self-supporting.
- 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)