silts

For centuries, the annual floods of the Nile, Tigris, and Euphrates, for example, have brought fertile silts and water to the inhabitants of their lower valleys.

比如，几个世纪以来，尼罗河、底格里斯河和幼发拉底河每年的洪水给下游山谷的居民带来了肥沃的淤泥和水源。

There are, of course, many silty clays and clayey silts.

当然了，你知道，这里面有非常多的粉质黏土和粘质粉。

Consolidation settlement occurs mainly in clays or silts.

压缩沉降主要出现在粘土或粉沙中。

One of these methods is to change the waste silts into lightweight treated soil.

轻量化处理方法是其中的一种方法。

Mudflats and estuarine silts are fine substrates rich in organic matter and low in oxygen.

淤泥滩和江河入海口处的淤泥是很细的基质，富含有机物质和低的含氧量。