您要找的是不是:

volcanic ash soil 火山灰土

volcanic tuff [地质学]凝灰岩;火山凝灰岩

  • The method takes the manganese slag as the lightweight aggregate to be mixed with the volcanic tuff stone powder, the fly ash and the cement, thus producing the wall block by pressing.

    发明方法作为骨料火山凝灰岩石粉粉煤灰水泥混合压制墙体砌块

    ip.com

  • The method takes the manganese slag as the lightweight aggregate to be mixed with the volcanic tuff stone powder, the fly ash and the cement, thus producing the wall block by pressing.

    发明方法作为骨料火山凝灰岩石粉粉煤灰水泥混合压制墙体砌块

    ip.com

$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