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1·Great care is required in the selection of clays to be used for making agatewares.

在选择用于制作玛瑙器皿的粘土时，需要格外小心。

2·This will occur both in sands and clays.

这在砂土地和粘土地带常常发生。

3·Thus clays and shales tend to be impermeable.

因此粘土和页岩就往往不透水。

4·Thus clays and shales tend to be impermeable .

因此粘土和页岩就往往不透水。

5·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。

6·Consolidation settlement occurs mainly in clays or silts.

压缩沉降主要出现在粘土或粉沙中。

7·Kaolin and other kaolinic clays, whether or not calcined.

高岭土及类似土，不论是否煅烧。

8·Small seasonal rivers formed beds of natural clays and dried mud.

一些季节性小河流留下了有自然粘土的河床。

9·Generally, the reason is clays consolidation and creep effect.

其原因一般地是土体固结和流变等效应所引起的。

10·Algae removal by clays is a promising approach to treat blooms.

粘土除藻是一种有前景和环境友好的应急除藻技术。

(1)soft clay软粘土；软黏土；软质粘土

(1)clay mineral粘土矿物；硅酸盐

(1)red clay红粘土

(1)clay content粘粒含量；粘土含量

(1)clay brick粘土砖；黏土砖

(1)clay soil粘土，粘质土；粘质土壤；黏土土壤