gài céng yán
ReadWriteQuiz

Chinese dictionary
Show pinyin

  • n.capping

    • xíng chéng yóu tián suǒ bì xū de dì sān gè cān shù shì gài céng yán huò fēng bì céng

      形成油田必须参数盖层岩封闭层

      The third parameter needed for an oil field to occur is the cap rock or seal.