A.發(fā)生批量投訴; B.發(fā)生客戶投訴; C.發(fā)生紅名單客戶投訴; D.發(fā)生客戶經(jīng)理投訴;
A.23:00至次日07:00; B.23:00至07:00; C.23:00至次日08:00; D.23:00至08:00;