厚—特厚煤层都与湖泊三角洲冲积平原大面积沼泽化有关。
The exceptionally thick coal beds are related to the largest swamped deltaic plain.
马蹄形湖泊或牛轭湖也是常有的密西西比河下游的平原和河流三角洲的其他。
Horseshoe shaped lakes or oxbow lakes are not unusual in the flat plains of the lower Mississippi river and deltas of other rivers.
马蹄形湖泊或牛轭湖也是常有的密西西比河下游的平原和河流三角洲的其他。
Horseshoe shaped lakes or oxbow lakes are not unusual in the flat plains of the lower Mississippi river and deltas of other rivers.
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