Police Highway Patrol警察巡逻
police traffic patrol car交通巡逻警车
Block city police patrol街区警察;城市警察巡逻
police patrol system巡警制度
a police patrol警察巡逻
police patrol boat警察巡逻艇
Police Patrol Officers警察;警察巡逻人员
Police patrol boats警用巡逻小艇
border police patrol边境警察巡逻