hand selection

• 手选

hand selection的用法和样例：

例句

1. Corrugated cardboard is separated from mixed paper, both of which are then baled and sold.Plastic bottles and cartons are plucked out by hand.
   波纹纸板与混合的纸质废料分离开来，然后对这两种纸制品分别打包并卖掉，而塑料瓶与纸箱需要工人用手选出来。