The grindability test has a moderate range of degree of fineness and departure from the range would result in excessive consumption of grinding work.
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。
A great amount of statistic work has revealed the mode of occurrence of the gold, its fineness, grain-size, forms and contact relationship with other minerals.
通过大量统计工作，查明了金的赋存状态，金矿物的成色、粒度、形态及嵌连关系等。
A great amount of statistic work has revealed the mode of occurrence of the gold, its fineness, grain-size, forms and contact relationship with other minerals.
通过大量统计工作，查明了金的赋存状态，金矿物的成色、粒度、形态及嵌连关系等。
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