sieve disc

例句：

1. 1. Theengineer used a sieve disc to removethe small particles from the water.
   工程师使用一个筛网来从水中去除小颗粒。
2. 2. The sieve disc was made offine mesh that allowed only the largest grains to pass through.
   筛网由细密的网格制成，只允许最大的谷物通过。
3. 3. The sieve disc was usedin the process of separating flourfrom wheat berries.
   筛网用于从小麦粒中分离出面粉的过程。