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
系、镁质容矿石
矿形成的物质基础，区域变质及混
作用、
造活
矿形成的必要条件。
造作用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.
含系、镁质容矿石矿形成的物质基础，区域变质及混作用、造活矿形成的必要条件。
声明：以上例句、词性分类均由互联网资源自
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。
