低等级公路是事故多发的路段。
高等级公路跨越的地域非常广阔。
跨线桥是高等级公路的重要组成部分。
Crossing-above bridge is one of the important parts in high-class highway.
论述了水源保护区高等级公路的设计方法。
This paper discusses the design methods of high-grade highway in water source protection area.
基础沉降计算是高等级公路建设中的一个难点问题。
The calculation of base sedimentation is a difficult issue in the construction of highway.
高等级公路养护是公路运营管理中不可或缺的一个重要内容。
Highway maintenance is an important portion in highway operation and management.
随着交通量的逐年增长，高等级公路沥青路面养护变得愈加重要。
With the increasement of traffic, the maintenance of roads is becoming important.
在软土地基修建高等级公路中，“桥头跳车问题”是一个技术难题。
In the highway construction on soft foundation, "bump at bridge-head" is a difficult technical problem.
在软土地基修建高等级公路中，“桥头跳车问题”是一个技术难题。
In the highway construction on soft foundation, "bump at bridge-ends" is a difficult technical problem.
我国高等级公路边坡防护的研究起步较晚，至今仍处于不断完善和改进当中。
Our study of highway slope protection start late and still is constantly refining and improving.
优秀是公路安全保险机构的最高等级。
Good is the Insurance Institute for Highway Safety's highest rating.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Furthermore, highway network mostly is the trouble of technical grade and service low.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Furthermore, highway network mostly is the trouble of technical grade and service low.
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