英语词汇cretaceous oils怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	cretaceous oils
释义	cretaceous oils 简明释义白垩纪石油网络释义 1 ?白垩纪石油 ... 白垩纪海路 Cretaceous Seaway 白垩纪石油 cretaceous oils 白垩纪早期 Lower Cretaceous ... 短语 1 lower cretaceous oils 后白垩纪石油 2 upper cretaceous oils 上白垩纪油 3 lower cloud point cretaceous oils 后白垩纪石油双语例句 1 These characteristics of the oils show th at they are typical lacustrine oils a nd should be derived from the Cretaceous source rocks, not from the Jurassic coal measures. 这些特征表明原油是典型的湖相原油，其主要的烃源岩是下白垩统湖相源岩而非侏罗系煤系烃源岩。
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