[机] 砂粒细度指数

grain fineness number的用法和样例：

例句

The relationship be-tween grain size and fractal dimension is investigated.考察了晶粒度与分维之间的关系。
The cell parameters, grain size and lattice strain of TiO2 xerogel powders under various calcinating temperature were calculated.计算了在不同的煅烧温度下二氧化钛微晶的晶胞参数，晶粒度，畸变等参数的变化关系。
See coating grain next fineness.其次看涂料颗粒细度。
There is a possibility that alkalinity of ash is related to fiber fineness.灰分的碱度可能与纤维的细度有关。

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