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1·Make sure it's clean river sand, not beach sand.

确保那是干净河沙，不是海滩的沙子。

2·River sand is into magnetic separation system.

河沙则转入磁选系统。

3·Swallow has been pursuit, to draw international river sand.

海燕已寻踪，到画溪沙际。

4·The industry waste slag fly ash or the river sand is used as the siliceous material.

工业废渣粉煤灰或河砂一般被用来作为硅质材料。

5·With the rising price of steel, iron profit space choose river sand increased greatly.

随着钢材价格的不断攀升，河沙选铁的利润空间大幅提升。

6·River sand and humus were used in two successive steps, and the survival rates was more than 90%.

采用河砂和营养土两步炼苗，移栽成活率可达90%以上。

7·The braid river sand body geometry shape could be forecasted by using numerical simulation method.

利用砂体沉积过程数值模拟方法可以预测辫状河砂体的几何形态。

8·While working in the shadow of the iron bridge, he tried his luck by dipping a pan into the river sand.

当他在铁桥下阴凉处干活时，随手把淘金盘浸入河沙中淘了淘，想碰碰运气。

9·Such as Natural Dolomite stone, River Sand, Silica Sand, Construction Sand, Quartz stone and much more.

如自然白云石石料，河砂，石英砂，建筑砂，石英石等等。

10·River sand shall be paved with the progress of bricklaying and extensive paving in advance is forbidden.

河砂滑动层在砌筑时，要随砌随铺，禁止大面积预先铺放。

河沙

1·A series of dressing special equipment, such as: river sand choose iron ships, magnetic separators, etc in nationwide get accumulates promotion.

一系列选矿专用设备，比如：河沙选铁船、磁选机等在全国范围内得到大面积推广。

2·River sand is into magnetic separation system.

河沙则转入磁选系统。

河砂

1·The industry waste slag fly ash or the river sand is used as the siliceous material.

工业废渣粉煤灰或河砂一般被用来作为硅质材料。