A.實際分選密度大于入料介質(zhì)密B.實際分選密度小于入料介質(zhì)密C.實際分選密度等于入料介質(zhì)密D.不確定
A.減小 B.不變 C.增大 D.不穩(wěn)定
A.0.1-0.2g/cm3 B.0.2-0.3g/cm3 C.0.3-0.4g/cm3 D.0.1g/cm3