English translation for "telephone central office"
电话中心局 电话总局 中央电话局
Related Translations:
telephone: n.电话(机)。 a dial telephone 自动电话。 a public telephone 公用电话。 a telephone booth [box] (公用)电话亭。 a telephone directory [book] 电话用户号码簿。 a telephone operator 话务员。 a telephone receiver (电话)听筒。 a tel
In the 1960 ' s , bell telephone laboratories had occasion to investigate lightning transient damage that occurred at a number of their highly automated telephone central office sites 在60年代,贝尔实验室曾对它们一些高度自动化的电话中心现场因雷击电涌造成的损坏进行了调查。