Permain

常见例句

• 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郃物對比表明二曡系儲層的稠油來自凹陷二曡系平地泉組源巖。
• 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曡紀砂巖中石英的二次增生
• Lower Permain
  二疊紀早期
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