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。
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。
Sand has silted up the river delta.
泥沙把这条河的三角洲淤塞了。
The river filled up with sand.
这条河淤满了沙子。
At night you'll camp beside the river on white sand beaches.
晚间你将在河流旁的白色沙滩上扎营。
沙子阻塞了河流。
这条河正在为沙子充塞。
Its conditions of water, sand and evolution is different from those of plain river shoal.
此类河流浅滩来水来沙条件及演变规律均与一般平原河流浅滩明显不同。
The river is choking with sand.
这条河正在为沙子充塞。
Most of the sand and silt was carried down from the river.
大部分泥沙都是由河流沉积下来的。
The deposition of mud and sand in the river often causes us much trouble.
泥沙在河中沉积常给我们带来许多麻烦。
沙渐渐淤塞河流。
The river is becoming chocked with sand.
这条小河渐渐被淤沙填满了。
The sand and gravel in the Yangtze river is good building and filling materials.
长江中下游干流河道内的砂石是较好的建筑和填筑材料。
The sand stratum in old river bed is important factor affecting stability of dam.
古河道砂层的存在，是影响围坝稳定的主要环境因素。
The river is being choked with sand.
泥沙正使河道淤塞。
In recent years, sand excavation optionally at river bed has brought trouble to some Bridges.
近年来河道大量无序采沙对大桥安全带来了隐患。
沙和石头沉到了河底。
The sand has silted up the mouth of the river.
泥沙已把河口堵住了。
The river is choking with sand.
泥沙已把河口堵住了。
The sand has silted up the mouth of the river.
沙和石头沉到了河底。
Water less sand and more "salient features of the Yellow River."
“水少沙多”是黄河的突出特点。
They used to play football on the sand by the river.
他们过去常到河边的沙地上踢球。
Sand bodies of braided-river deltas in this region are good reservoirs of oil and gas.
辫状河三角洲砂体是重要的油气储集场所。
The river is choking with sand.
沙和石头沉到了河底。
泥沙已把河口堵住了。
泥沙已把河口堵住了。
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