A.小区某时刻指标差即认为质差小区B.小区某时段指标差即认为质差小区C.小区某天指标差即认为质差小区D.小区7天内连续5天指标差即认为质差小区
A.200OKB.183C.180RingingD.PRACK
A.1B.2C.3D.4