... 巧克力深褐色 chocolate 深褐色砂岩 dark brown sandstone 深褐色的眼睛 dark brown eyes ...
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E2S3 is mainly the interbeds of gray-grayish white conglomeratic sandstone and brown-dark gray mudstone in different thickness and with relatively poor reservoir properties.
沙三段主要为灰色-灰白色含砾砂岩与灰褐色-深灰色泥岩不等厚互层,储层物性较差。
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