They blocked roads, set up 25-mile human barriers, and enforced parkingcontrol orders over a wide area.
他们封锁道路，负责架设长达25英里的人体屏障，并在一个广阔的区域内实施停车管制令。
2
Parkingcontrol officers enforce parking by-laws on city streets, regional roads and municipal properties.
停车管制人员在城市街道，区域道路和市政物业停车场执行法律。
3
The most common suite of driver assistance technologies available today includes adaptive cruise control, lane departure warning systems, and parking assistance systems.