公路工程课件
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- Lesson 27
HIGHWAY ENGINEERING
公 路 工 程
Transportation has always been one of the most important aspects of civil engineering. One of the greatest accomplishments of Roman engineers was the high way system that made rapid communication possible between Rome and the provinces of the empire. Modern highways are built according to the principles laid down in the eighteenth and early nineteenth centuries. Generally speaking, alignment, subgrade, and pavement are the most basic three parts of th....
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公路工程
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