最后，研究了高速公路长大下坡路段和互通立交处的紧急交通组织方案。
Finally, studied about emergency traffic organization schemes for long down-slope and interchange.
对高速公路互通式立交的设计进行了详细论述。
The paper particularly discusses the design of freeway interchange.
对高速公路互通式立交的设计进行了详细论述。
The paper particularly discusses the design of freeway interchange.
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