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  • <font color='#006600'>Basalt case</font> Basalt case

    2019-05-05

    日期:

    作者:phoenix   来源:www.pmpsj.com

    Granite crushing production process Hard basalt introduction Hard rock refers to the uniaxial ultimate compressive strength of rock specimens under saturated humidity (sample diameter is 7-10 cm, height and diameter are the same) greater th...

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