The disaster bearing capability of a city or region mainly focuses on the infrastructure, and the most important part of which is the lifeline system.
一个城市或地区的承灾能力主要看其基础设施的承灾能力，其中最重要的一个部分就是生命线系统的承灾能力。
This paper expounds the important meaning to guarantee and raise the reliability taking precautions against fire calamities for the system of city lifeline engineering.
阐述了保证和提高城市生命线工程系统的防(火)灾可靠度的重要意义。
Then, the road transportation system as a part of the lifeline system of city can make the significant effect of the evacuation and succor in emergency.
而道路交通作为城市生命线的一部分，对应急时的人员疏散和紧急救援都起到至关重要的作用。
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