曾经,在天安门活跃着一支专线班队伍。他们的职责是:负责党中央和北京市重大政治活动的通信任务,每年“五一”、“十一”等重要节日,访华的外国元首使节在天安门广场检阅,在天安门地区的隆重集会,都得靠他们保持通信畅通。新中国成立初期,他们还负责首都机场的首长停机坪区域的装机、调专线、现场服务、撤机等通信工作。 Once, in Tiananmen Square is active in a green team. Their duty is to be responsible for the communications tasks of the CPC Central Committee and major political activities in Beijing Municipality. Each year, important events such as “51” and “11” are held. The visit of foreign heads of delegation to China is reviewed at Tiananmen Square. In Tiananmen Square Grand gatherings, have to rely on them to maintain smooth communication. In the early days after the founding of new China, they were also responsible for the communications of the head apron area of ​​the Capital Airport, such as installing airplanes, adjusting green lines, on-site service and weaning.