Gold ore occurs within the spilite tectonccla-stic belt and bears a close relation to altered pyrite.

  • 金矿化产于细碧岩构造破碎带内,与蚀变黄铁矿关系最为密切.

  • 互联网摘选 2025-01-20 17:39:05

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