这项工作是加宽州际公路405号道路的工程的一部分，也叫做圣地亚哥高速路。
The work is part of a project to widen Interstate 405, also called the San Diego Freeway.
通过洪城路综合改造工程的路面设计实践，对改扩建道路设计中路面加铺及加宽两个技术难题进行了探讨，提出了一些设计处理方法。
After practising in Hongchen road surface design of comprehensive transformation works, two technique problems were discussed about road surface rebuilding and broadening in road extension design.
公路路缘石和行道树的灰水喷白是高等级道路养护工程的主要作业内容之一。
Cement water spraying of highway curb and roadside tree is very important in high grade road maintenance engineering.
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