Permain

常見例句

• Oil of Wutonggou and Pingdiquan formation came from Pingdiquan group source rock of Permain by biomarker and carbon isotope correlateion.
  原油碳同位素和生物標志化合物對比表明二疊系儲層的稠油來自凹陷二疊系平地泉組源巖。
• The two growth of quartz in sandstone of Permain system at Zhoukou depression and Tongxu uplift
  周口拗陷和通許隆起二疊紀砂巖中石英的二次增生
• Lower Permain
  二迭紀早期
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