China'stop3telecomoperatorsinvestRMB80blninthefirsthalfChina'stopthreetelecommunicationoperators,ChinaTelecom,ChinaMobileandChinaUnicom,investedRMB80billiontoboostthethird-generation(3G)networksofarthisyear,theMinistryofIndustryandInforma-
中国对外贸易：英文版
2009年6期
