ホーム > Term: air barrage
air barrage
The division of an opening in a mine by an airtight wall into two sides; one side is used as an air intake, the other side as a return.
- 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
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(Milwaukee, United States)
