A.83t/h,251%,
B.13t/h,39.8%,
C.83t/h,39.8%
A.45t/h,150%
B.105t/h,150%
C.45t/h,67%
已知某φ3*11米磨机,一仓有效长度为2.75米,装球量为26.50吨,台时产量为73t/h,运转1100h后,对研磨体称重为21.5吨,则该磨机的每吨产品的球耗为()kg。
A.0.055
B.0.062
C.0.045
A.32,6,2
B.384,72,24
C.256,48,16
A.45().00
B.33.56
C.32.43