However,complicated the problem is,the traffic accident rate can be analyzed from such factors as the safety of road surface,the safety of highway geometry,the safety of road transects,the safety of.

 
  • 對道路上發(fā)生的相關(guān)交通事故情況與道路條件安全性的關(guān)系進(jìn)行了分析,對比分析了大量國內外事故絕對數、事故率等統計數據。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan