Fiber sizing screen 纤维分级筛

screen sizing 筛分 ; 筛分分级

seed sizing screen 生球筛

raw coal sizing screen 原煤分级筛

coal probability sizing screen 煤用概率分级筛

screen sizing test 过筛试验

sizing-desliming screen 分级脱水筛 ; 分级脱泥筛

three-screen sizing unit 三筛式分级装置