low jurassic series 下侏罗统
middle-later jurassic series 中
Jurassic coal series in Jingxi 京西侏罗纪煤系
jurassic coal-bearing series 侏罗纪煤系
coal bearing series of jurassic 侏罗系煤系地层
The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.
灵武煤田的中侏罗统延安组含煤岩系为一湖泊三角洲沉积。
The test data indicate that there is a marked difference in composition and physical property between Triassic and Jurassic Series.
化验资料表明,三选统与侏罗统中的油气在组分和物性上具有明显差异。
Malang Depression is a secondary structural belt of Santanghu basin, Jurassic Series is the main oil and gas reservoir of the basin.
马朗凹陷是三塘湖盆地的一个二级构造带,侏罗系是盆地内主要含油层位。
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