(a) Mining the part of a roadway between the last support and the face; (b) the end of a road.
单词 | θ211919 |
释义 | society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > passage > part of (1) roadhead1882 (a) Mining the part of a roadway between the last support and the face; (b) the end of a road. |
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