The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.
沙丘砂由分选、磨圆好的石英砂组成，含量大于95%，具单众数粒度分布，无悬移质。
2
State Grain Reserves Ningxiang Depot has given its work force an all-rounded training for the knowledge of inspection, warehousing, and computers, etc.
中央储备粮宁乡直属库对职工进行了全面的检验知识、仓储知识、计算机知识等内容的培训。
3
Soft, breathable full-grain leather upper with contrast stitching and rounded toe for a durable, stylish exterior.