The influence of the density on the damping of fine coal ash is much less.
密度对细煤灰土阻尼的影响不明显。
It is an exigent problem to solve the dry deep screening of moist fine coal.
潮湿细粒煤炭干法深度筛分是筛分技术急需解决的问题。
Grinding coal sample result is better than the forming fine coal during contact Angle measurement.
指出在接触角测量过程中，研磨煤样要比成型粉煤测量效果好。
Grinding coal sample result is better than the forming fine coal during contact Angle measurement.
指出在接触角测量过程中，研磨煤样要比成型粉煤测量效果好。
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