Traffic safety facilities must be constructed simultaneously and in compliance with the traffic safety rules and regulations.
根据交通安全法律、法规规定及时完善交通安全设施；
Ensure the good technical performance of the vehicles and in compliance with the traffic regulations.
保证车辆的各项技术性能处于良好状态，并符合交通法规的规定。
Ensure the good technical performance of the vehicles and in compliance with the traffic regulations.
保证车辆的各项技术性能处于良好状态，并符合交通法规的规定。
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