direct trunking中文什么意思

例句与用法

1. Owning to the network structure of the transactions from the outgoing calls to incoming calls , we therefore suggested that to transfer these 5 bureaus to the city network , i . e . 6975 and 6977 bureau be merged into t21 , t23 , t24 , t12 and t6 , 8049 bureau be merged into t42 , t43 , t44 , t32 and t5 , 8959 and 6957 bureau be merged into t42 , t43 , t44 , t32 and t5 . these direct trunking lines are used only for the tandem of the suburban traffic of this end office and its inter - network calls , while the long distance calls are dealt with by the auxiliary tandem office
   由于整个北京电话网的网络结构要由去话汇接方式向来去话汇接方式过渡，所以我们建议该5个局以来去话方式入大网，即6975 、 6977局入t21 、 t23 、 t24 、 t12 、 t6 ， 8049局入t42 、 t43 、 t44 、 t32 、 t5 ， 8959 、 6957局入t42 、 t43 、 t44 、 t32 、 t5 ，这些直达中继只汇接本端局的市郊话务量和该端局的网间呼叫，长途呼叫仍由原辅助汇接局汇接。