“longtan coal measures”的概念、定义、翻译、参考文献-科学参考

单词	longtan coal measures
释义	longtan coal measures Encyclopedia 理学二叠纪煤系释 longtan coal measures龙潭煤系晚二叠世早期盘山石灰岩与张公岭石灰岩之间一套海陆交替相以砂页岩为主的含煤岩系。
随便看	grain size analysis grain size modulus grain size parameters grain sorghum grain storage grain storage technology grain-straw ratio grain supported fabric grain surface texture grain tax grain terminal grain thresher grain treatment before storage grain vinegar Gram gram Grama gram atom gram-calorie Gram-Charlier series Gram determinant Gram determinants Grameen bank Gramian gramicidin

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