Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.
由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。
The intelligent grading system of grain purchasing can improve the accuracy of moisture content. It also can clear and definite the quality grade of the grain.
粮食收购智能定等系统可以提高水分检测的精确度，明确粮食的质量等级。
A series of new techniques are adopted to set up the automatic grading system for the isolation and reconstruction of grain boundaries in quantitative metallograph analysis.
本文介绍利用一系列新颖的图像处理技术，实现了定量金相分析中的晶界重建和晶粒度自动评级。
The results showed that the grading bamboo strand lamination is a low-swelling material. The swelling of parallel to grain, radial and tangential is lower than that of timber and LVL.
结果表明：竹层积材是一种低湿胀性材料，顺纹、径向和弦向上均远低于木材和LVL。
The results showed that the grading bamboo strand lamination is a low-swelling material. The swelling of parallel to grain, radial and tangential is lower than that of timber and LVL.
结果表明：竹层积材是一种低湿胀性材料，顺纹、径向和弦向上均远低于木材和LVL。
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