第四纪土层
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quaternary soil strata
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Dongying area is located on the Yellow River delta, and the strata in the area are mainly composed of the quaternary recently deposited soil and commonly deposited soil.
东营地区地处黄河三角洲，其地层主要由第四纪新近沉积土和一般沉积土构成。
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