• 矿石矿物主要有硬锰矿锰矿、褐锰矿锰矿、钙锰矿脉石矿物主要磁铁矿针铁矿黄铁矿等。

    Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

    youdao

  • 矿石矿物主要有硬锰矿锰矿、褐锰矿锰矿、钙锰矿脉石矿物主要磁铁矿针铁矿黄铁矿等。

    Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

    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