A.省郵政局B.郵政分局C.市、縣郵政局D.郵政支局
A.當(dāng)月實(shí)際天數(shù)計(jì)算B.29天計(jì)算C.30天計(jì)算D.31天計(jì)算
A.當(dāng)年實(shí)際天數(shù)計(jì)算B.360天計(jì)算C.365天計(jì)算D.366天計(jì)算