Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含岩系、镁质容
岩石
成的物质基础,区域变质及混合岩化作用、构造活动
成的必要条件。
Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含岩系、镁质容
岩石
成的物质基础,区域变质及混合岩化作用、构造活动
成的必要条件。
声明:以上例句、词性分类均由资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。