短語詞組短語sifting screen 細分篩Sifting installations 濾篩設備sifting process 篩選過程;篩選程序;稱爲篩選sifting clause 篩選條款sifting intergral 選擇積分sifting cylinder [糧食]選糧筒sifting disk [糧食]篩磐sifting characters 篩選指標sifting machinery 篩分機械sift through 通過；被篩下sift out 過篩 返回 sifting