该三角洲复合体由100多个沉积单元组成。每一个扇三角洲单元，可分出平原相，前缘相。
The delta complex is composed of over100sedimentary units each of which can be divided into a plain facies and a frontier facies.
该三角洲复合体由100多个沉积单元组成。每一个扇三角洲单元，可分出平原相，前缘相。
The delta complex is composed of over100sedimentary units each of which can be divided into a plain facies and a frontier facies.
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