干筛 meaning in English

dry screening
dry sieving

Metallic powders . determination of particle size by dry sieving
金属粉末.用干筛法测定粒度
Metallic powders ; determination of particle size by dry sieving ; identical with iso 4497 : 1983
金属粉末.用干筛法测定粒度
Testing of plastics ; determination of particle size distribution of moulding materials by dry sieving analysis
塑料的试验.用干筛析法测定模塑材料的颗粒大小和分布