Mining. The bottom or floor of a vein, level, or working.
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| 单词 | θ211895 |
| 释义 | society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > bottom of mine or working (4) sole1653 Mining. The bottom or floor of a vein, level, or working. bottom1695 Mining. The underground workings of a mine, as distinct from the works at the surface; spec. the part of this immediately around the base of a shaft… seat1860 Mining. The floor of a mine. Subcategories:— part of temporary bottom (1) |
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