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The park lies on top of a coalfield.公园位于一片煤田上。The Permian in Huainan coalfield is a set of deltaic coastal deposition.淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.Survey of XiShan coalfield geology, analyze coalform, improve of geology explo...
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coalfield的音标：coalfield的英式发音音标为：['kəʊlfi:ld]coalfield的美式发音音标为：['koʊlfild]...
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coalfield的复数形式为：coalfields...
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The Permian in Huainan coalfield is a set of deltaic coastal deposition.淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.Resinite is a rich n 1 aceral in Teriary humic coal, boghead - cannel coal and oil shale fromHuangxian Coalfield.黄县煤田第三纪腐殖煤 ...