Mining. (See quot. 1778.)
单词 | θ211907 |
释义 | society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > shaft > perpendicular (2) underlier1778 Mining. (See quot. 1778.) underlayer1850 Mining. ‘A perpendicular shaft sunk to cut the lode at any required depth.’ |
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