In sum, using laser grain-size analysis in studying soil mechanical composition was feasible.
总之，运用激光粒度分析土壤机械组成是可行的。
The soil texture chart of Haining County was mapped based on data of mechanical composition of 230 soil profiles.
本文根据230个土壤剖面的机械组成数据绘制了海宁县土壤质地图。
The mechanical composition of newly designed side trimmer and chopper in transform to cold rolling recoiler line, and of main technical data and features in designing structure are introduced.
介绍了冷轧切边重卷机组改造中，新设计切边圆盘剪及碎边剪的设备组成、主要技术参数及设计结构特点。
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