ultra-fines

英 ['ʌltrəf'aɪnz] 美 ['ʌltrəf'aɪnz]

• 超细粉体

ultra-fines的用法和样例：

例句

1. The secondary screens receive the coal from the crushers and remove the fines.
   经压碎后的煤通过第二道筛，筛出细粉。
2. Elutriation refers to the selective removal of fines by entrainment from a bed consisting of a mixture of particles sizes.
   扬析是指从由各种颗粒直径的混合物形成的床层中选择地夹带出细粉颗粒的过程。