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单词 θ211949
释义
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > compartment of coal-mine (2)
side of work1820

a rectangular working or panel (panel, n.1 8b).

panel1839

Coal Mining. A division (usually rectangular) of a mine delimited by uncut pillars of coal.

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更新时间:2024/12/24 11:16:32