单项选择题
A.158 B.258 C.170 D.270
A.消费凭条 B.退款受理凭条 C.退款凭条 D.不打印凭条
A.1:1.3~1:1.35 B.1:1.1~1:1.15 C.1:1.2~1:1.25 D.1:1.5~1:1.55