secondary oil recovery的用法和樣例：
例句
- The present situation of pilot tests for enhanced oil recovery by employing petroleum sulfonates worldwide issummarized.
綜述了國內外應用石油磺酸鹽進行三次採油礦場試驗的研究現狀。 - Current and foreseeable oil prices are very favorable for EOR implementation, particularly in the reservoirs that contain heavy oil that was not tapped in the past.
目前可觀的石油價格是非常有利的三次採油技術的實施，特別是含有稠油的油藏而在過去不易開採。
