“淘选”造句

双手握住淘选盘不停旋动将沙金和尘土分开。
The pans were held in both hands and swirled around to separate gold particles from the dirt.

澄清,淘选通过''.'水磨'. ''把精细的颗粒从粗糙的颗粒中分离出来.
To separate fine particles from coarse by grinding in water.

开始的时候, 淘金者用十分简陋的技术在溪流和河床淘金, 例如用淘选的方法.
At first, the prospectors the gold from streams and riverbeds using simple techniques, such as panning.

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