易磨性试验存在一个适宜的细度范围，偏离这一范围就有可能导致粉磨功的大量消耗。
The grindability test has a moderate range of degree of fineness and departure from the range would result in excessive consumption of grinding work.
研究表明，不同粉磨系统的生料其微观结构有差异，易烧性也有差别。
The result shows that microstructure of clinker is various from different grinding system, and their burnability is also various.
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