沉淀法的英文：
method of precipitation
settling method

参考例句：

Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。

reversed-phase precipitation; gas chromatography; methanol; residual monomer;silicone acrylate resin
反相沉淀法;气相色谱法;甲醇;残余单体;硅丙树脂

Moisture-set ink: Printing ink that uses precipitation as its drying method. Mainly used in food carton printing.
水凝固墨:用沉淀法干燥的印刷油墨。主要用作食品纸箱印刷。

method是什么意思：
n. 方法；条理

It is a method.
它是一个类函数。

The method is a natural.
这方法一定灵。

The diffraction method is appreciably lower than that of the spectroscopic method
衍射法的精确度显然低于光谱法的精确度。

precipitation是什么意思：
n. 降落；降水量；沉淀（物）；鲁莽；冰雹

That was a precipitous decision.
那是一个轻率的决定。

An agent that precipitates or is capable of precipitating such a state.
骚动的原因引起或能引起这种状态的原动力

precipitate a country into a crisis
使一个国家突然陷入危机

settling是什么意思：
n. 沉淀物

It was settled by lot.
这事是以抽签决定的。

It was settled by lotting.
这事是以抽签决定的。

No question is ever settled until it is settled right
正确解决问题才算真正解决