ホーム > Term: shaft allowance
shaft allowance
The difference between the excavation diameter and the finished diameter in the clear; the extra space allowed to accommodate the permanent shaft lining.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)