“配送一卡通”具体目标不包括()。
A、实现身份识别
B、实现单据流转统一
C、实现运费结算
D、实现各系统衔接
参考答案:C
The boy seated himself in the corner with his back to his father.
A.turning
B.to turn
C.to be turned
D.turned
在隔离型光伏并网逆变器中,隔离变压器所起到的作用是进行电压变换(电压匹配)和()。