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