“分选”造句

因为沉积作用是快速的, 分选作用和层理就得不到很好的发展.
Because deposition is rapid, sorting and stratification are generally not well developed.

轻的籽粒可以通过空气动力,即气流分选机清理出来.
Light kernels may be removed by a pneumatic or air seperator.

砂粒在波浪分选作用下从粉砂及粘土中分出.
The sand is separated from the silt and clay by wave sorting.

• #分选