Q3:中(zhōng )G各个省份的区号是多少 全国现有的十(🛌)大三(sān )位区(👊)号城市为B京(010),广州(zhōu )(020),上海(🔫)(021),天津(jīn )(022),上海(023),沈阳(024),南京(025),武(💘)汉(027),成都(dōu )(028),西[展开全部]
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