In a coal mine: an exposed surface of coal at which mining is carried out; cf. face, n. 22a. Also by metonymy: the mining industry.
| 单词 | θ210315 |
| 释义 | society > occupation and work > industry > mining > [noun] > for coal > coal-mining industry (1) coalface1771 In a coal mine: an exposed surface of coal at which mining is carried out; cf. face, n. 22a. Also by metonymy: the mining industry. |
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