1999年初春，在张家口市长青路市公安局旧院内，几间简陋的平房便是巡警支队第四大队的办公室与宿舍。室内光线很暗，一年难得见到阳光，院中没有水房，也没有厕所……四大队的报警服务范围以桥东汉桥街到桥西建设西街为界，以北的大半个市区全部是四队出警范围，交通工具是三? In the early spring of 1999, in the old courtyard of the Public Security Bureau of Changqing Road, Zhangjiakou City, a few simple cottages were the offices and dormitories of the fourth brigade of Patrol Detachment. Indoor light is very dark, a rare year to see the sun, the hospital has no water room, there is no toilet ... ... Fourth Brigade’s alarm service to Qiaodong Bridge Street to West Bridge West for the construction of the community, more than half of the north of the city All four teams out of the police area, the transport is three?