短語詞組短語telecommunication service system 電信服務(wù)系統(tǒng)telecommunication switching system 電信交換系統(tǒng)telecommunication personnel system 電信人事制度telecommunication supervise system 電信市場管制體制TSS Telecommunication Switching System 電信交換系統(tǒng)tss telecommunication service system 電信服務(wù)系統(tǒng)telecommunication billing system 電信計費(fèi)系統(tǒng)telecommunication regulatory system 電信監(jiān)管體制telecommunication energy system 通信能源系統(tǒng) 返回 telecommunication system