الصفحة الرئيسية > Term: centering of shaft
centering of shaft
The fixing of the center spot of a proposed shaft at the site selected and the maintenance of the shaft sinking along this plumb line during its entire depth.
- 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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(V.I.P) 21084 النقاط - 100% positive feedback
(Milwaukee, United States)
