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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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。

youdao