geological tectonic coalfields的意思|示意
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地质构造煤田
geological tectonic coalfields的网络常见释义
煤田地质构造 煤田地质构造 Tectonic in Coal Seam ; tectonic in coal seam ; geological tectonic coalfields 区域地质构造特征 regional geologic tectonic features ; features of regional geological structure ; regional geological t...