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advancing longwall
A longwall mining technique, most commonly found in European coal mines, where the gate roads are advanced while the longwall face is advanced toward the mining limits. The gate roads are maintained throughout the worked-out portion of the longwall panel.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)