短語(yǔ)詞組短語(yǔ)sifting screen 細(xì)分篩Sifting installations 濾篩設(shè)備sifting process 篩選過程;篩選程序;稱為篩選sifting clause 篩選條款sifting intergral 選擇積分sifting cylinder [糧食]選糧筒sifting disk [糧食]篩盤sifting characters 篩選指標(biāo)sifting machinery 篩分機(jī)械sift through 通過；被篩下sift out 過篩 返回 sifting