highway traffic meaning in Chinese

公路交通
公路运输

Improving highway traffic order and safety projects
道路交通秩序与交通安全改进方案
Characteristics and effects of desert highway traffic accident
沙漠公路交通事故特征及成因分析
Highway traffic noise pollution and its abatement countermeasures
影响交通噪声的因素及控制对策
Highway traffic safety assessment by using a comprehensive method
基于集成法的道路交通安全评价
Study of the highway traffic safety evaluation index system
高速公路交通安全评价指标体系的建立

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