A.使窗口信息成为可编辑状态B.在[Change special demand: /DA0/0020_SOB02]和[display special demand: /DA0/0020_SOB03]之间切换C.在[Change special demand: /DA0/0020_SOB02]和[create special demand: /DA0/0020_SOB01]之间切换D.在[display special demand: /DA0/0020_SOB03]和[create special demand: /DA0/0020_SOB01]之间切换