studies show that the lower cambrian black shales in jindingshan of guizhou province are sapropelic type and mixed type oil-forming rocks.

  • 结果表明,黑色岩系属生油岩,且为腐泥型和混合型生油岩,以腐泥型为主;

  • 互联网摘选 2026-07-14 03:07:26

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句