首页 > Term: gob-road system
gob-road system
Eng. A form of the longwall system of working coal, in which all the main and branch roadways are made and maintained in the goaves.
- 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)