单项选择题

对重介旋流器,其粒度分选上限可达(),粒度分选下限一般可达()

A.100mm(或80mm),0.15mm(或0.1mm)
B.110mm(或80mm),0.25mm(或0.2mm)
C.100mm(或60mm),0.35mm(或0.3mm)
D.120mm(或60mm),0.25mm(或0.1mm)