• 叙述了电弧中用稀土铁、重晶石石灰等原料冶炼稀土镁合金研制过程。

    Smelting of SiMgREBa alloy with rare earth rich slag, barite and lime in electric-arc furnace is introduced in the paper.

    youdao

  • 秦岭一带的下寒武统岩建造中,既存在大批重晶石矿床,又发育大量毒重石矿床,构成世界上极为罕见大型成矿

    More than 70 witherite and barite deposits occurred in the southern Qinling Mountains, and constituted a unique large-scale Ba metallogenic belt in the world.

    youdao

  • 秦岭一带的下寒武统岩建造中,既存在大批重晶石矿床,又发育大量毒重石矿床,构成世界上极为罕见大型成矿

    More than 70 witherite and barite deposits occurred in the southern Qinling Mountains, and constituted a unique large-scale Ba metallogenic belt in the world.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定