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| 单词 | thick seam |
| 释义 | > as lemmasthick seam thick seam n. a seam of ‘thick coal’; also attributive. ΘΚΠ the world > the earth > minerals > mineral deposits > [noun] > stratum or bed > of coal > type of coal seam foot coal1665 foot-rid1665 top coal1803 ten-yard coal1839 rider1840 ten-foot coal1855 top-hard1855 yard-coal1855 yard-seam1862 guide seam1867 main1867 bank1881 rearer1883 thick coal1883 thick seam1883 thin seam1883 1883 [see thick coal n.]. 1892 Daily News 25 Jan. 2/6 The leading thick~seam pits are sending a large tonnage to Hull and Grimsby. < as lemmas |
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