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Terms for subject Geology containing chalk | all forms | exact matches only
EnglishChinese
Austin chalk美国奥斯汀白垩
chalk core白垩岩心
Chalk Exploration Project挪威菲利浦石油公司白垩层勘探项目
Pecan Gap chalk皮坎加普白垩岩
phosphate chalk磷灰岩土

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