- a series of coal-bearing rocks formed in the upper Carboniferous period; the uppermost series of the Carboniferous system
单词 | coal measures |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 coal′ meas′ures, [Geol.]
Collins Concise English Dictionary © HarperCollins Publishers:: Coal Measures pl n the Coal Measures ⇒
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