grain sieve

基本解釋

The movement situation of the grain cleaning sieve is the key factor to influence the cleaning capability and quality.
清糧篩篩面的運動狀態(tài)是影響清糧性能的關鍵因素。
This paper demonstrates the results of grain-size sieve analyses of the millennium pyroclastic flow deposits from Tianchi volcano.
火山碎屑流堆積因其巨大的危害性而成為火山學研究的重要課題之一。
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.
對渤海灣西北部潮間帶16個樣品分別進行了激光法與綜合法（篩析沉降法）粒度測量。