Dongying source rocks的用法和樣例：
例句
- The other one comes mainly from Fengcheng group source rocks of Permian.
第二類原油主要來源於二疊系風城組烴源岩。 - From inclusion and Ro data, it is clear that Pingbei strata had undergone a higher temperature gradient in geological history, which is favorable for source rock evolution.
從包體測溫和鏡質體反演資料推測平北工區經歷了高於今地溫梯度的熱歷史，這對平湖組烴源岩或深部烴源岩演化有利。
