When the PS signalling connection is established between the MS and the 3G-SGSN for performing GPRS attach procedure,the state changed to PMM-CONNECTED in the MS and the 3G-SGSN.是什么意思_When the PS signalling connection is established between the MS and the 3G-SGSN for performing GPRS attach procedure,the state changed to PMM-CONNECTED in the MS and the 3G-SGSN.在线翻译_英语_读音_用法_例句