1) first class highway
一级公路
1.
In the construction of Qinzhuo-Luwu first class highway, different blasting methods were adopted for the highway sectors with different characteristics by Guangxi corporation for civil engineering construction & mineral exploration.
广西地矿建设发展中心在承担钦州至灵山陆屋镇一级公路施工中，根据不同性质的地段，采用不同的爆破方法，即节约了成本，又圆满完成路基施工任务，获得良好的社会效益和经济效益。
2.
Take the Longgao First class Highway as example, this paper expatiates the heavy repair course.
以龙高一级公路大修工程为例,阐述了一级公路大修的过程,以及在路况调查、路面处治中需考虑的问题。
2) grade-I highway
一级公路
1.
Beginning with basic data of traffic accidents in grade-I highway,analyzing the data of traffic accident of the integral subgrade and separated subgrade,it′s clear that the features of severity,time and space distribution vehicle type of the accidents in grade-I highway.
一级公路是草原地区公路网的重要组成部分,随着其里程的快速增长,交通事故也呈增长趋势,这引起了政府各部门及研究者的重视,他们从一级公路交通事故基础数据调查路线入手,剖析了整体式路基和分离式路基交通事故数据,总结出草原地区一级公路交通事故的类型、时间、空间分布、肇事车辆类型等特征,并逐一分析各特征的形成原因,其研究结论对于公路、交警等部门有针对性的采取相应措施具有指导作用。
3) First-class highway
一级公路
1.
Safety issue and treatment measurement for the first-class highway of inter-province corridor in Inner Mongolia;
内蒙古省际通道一级公路交通安全问题及处理措施
4) First-grade and third-grade highway
一、三级公路
6) suburban first-grade highway
城郊一级公路
1.
The article was based on two objects“traffic safety”and“operation efficient”, which put forward accesses improving countermeasure for suburban first-grade highway.
目前,国内此类问题严重,尤其以城郊一级公路更为突出,被称为“魔鬼路”,给人们生命财产带来了极大的威胁,引起政府部门的广泛关注。
补充资料：MS6001系列燃气轮机一级空心涡轮叶片
MS6001系列燃气轮机一级空心涡轮叶片
Ms6()()l系列燃气轮机一级空心涡轮叶片 中同科学院金属研究所供稿
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条