sieving

n.筛(选)；筛分(法)

动词sieve的现在分词形式.

She is sieving the rice in order to sieve out the stones. 她正在把米过筛，好把石头筛出。

Mine sieving mesh is a kind of metal mesh components for sifting and filtering. 矿筛网是一种用于筛分过滤的金属网状结构元件。

Mine sieving mesh is a kind of metal mesh components for sifting and filtering. 矿筛网是一种用于筛分过滤的金属网状结构元件。

Over time, particles rejected by the sieving action of the membranes build up on the outside of each fiber. 随着时间的推移，颗粒拒绝筛分行动建立膜的外面每个纤维。