A.收費差錯率<3‰ B.收費差錯率<2‰ C.收費差錯率<1‰ D.收費差錯率=0
A.電費票據(jù)作廢率<5‰ B.電費票據(jù)作廢率<4‰ C.電費票據(jù)作廢率<3‰ D.電費票據(jù)作廢率<2‰