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从县乡公路改造设计中旧路面的利用、路基高度的合理控制、路面材料的就近利用等方面考虑 ,合理降低工程造价。
Considering the utilization of the old pavement in the design of the county and township roads, the reasonable control of the subgrade height and the near utilization of pavement materials, the project cost should be reasonably reduced.