switching technical service 中文意思是什麼
switching technical service
解釋
交換設備技術維護部門-
Ssp camel2 900 1800mhz tdma digital cellular mobile telecommunications network technical requirement of service switching point for camel2
900 1800mhz tdma數字蜂窩移動通信網業務交換點 -
900 1800mhz tdma digital cellular mobile telecommunication network technical specification for general packet radio service switching sub - system equipment
900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs設備技術規范:交換子系統
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