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煤田地形地质图
tech.
topographic-geologic map of coalfield
;
topographic-geological map of coalfield
煤田地形地质图
以地形图为底图,反映地层、构造、岩浆岩、煤层、标志层以及其他矿产等煤田基本地质特征及相互关系的图件
expl.
coal topographic-geological map
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