grain sieve

基本解释

The movement situation of the grain cleaning sieve is the key factor to influence the cleaning capability and quality.
清粮筛筛面的运动状态是影响清粮性能的关键因素。
This paper demonstrates the results of grain-size sieve analyses of the millennium pyroclastic flow deposits from Tianchi volcano.
火山碎屑流堆积因其巨大的危害性而成为火山学研究的重要课题之一。
Grain size analyse experiment of 16 samples, taken from the tidal flat of the northwest Bohai Bay, was carried out by laser and pipette-sieve methods simultaneously.
对渤海湾西北部潮间带16个样品分别进行了激光法与综合法（筛析沉降法）粒度测量。