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上三叠统白碱滩组为扇三角洲—湖及湖底扇沉积体系；
Baijiantan formation of UpperTriassic (T_3) could be a sequence of fan delta-lake and lake-bottom fan deposit ;
youdao
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上三叠统白碱滩组为扇三角洲—湖及湖底扇沉积体系；
Baijiantan formation of UpperTriassic (T_3) could be a sequence of fan delta-lake and lake-bottom fan deposit ;
youdao