邮电通讯线路、电力电线保护套管。
Postal telecommunications lines and power cable protection sleeve.
秦皇岛市邮电通讯设施具有国际先进水平，通讯手段比较齐全。
Qinhuangdao city, postal and telecommunications facilities, with international advanced level, means of communication rather complete degree.
高密拥有先进的邮电通讯网络，同全国和世界各地的通讯十分方便快捷。
Equipping with advanced post and communications network in Gaomi, it is quite quick and convenient connecting to all the country and every corner of the world.
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