原始煤矸石粉碎、磨细至一定粒度，在高温焙烧一定时间。
Raw gangue is smashed and milled to certain granularity and then sintered for certain time at high temperature.
试验结果表明，超细煤矸石粉对NR具有较好的补强性能和分散性。
The result shows that, the ultra fine coal gangue powder is not only a good reinforcing filler of NR but also has good property of dispersion.
试验结果表明，超细煤矸石粉对NR具有较好的补强性能和分散性。
The result shows that, the ultra fine coal gangue powder is not only a good reinforcing filler of NR but also has good property of dispersion. Coal...
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