问题描述：
英语翻译
Design recommendations for retrofitted highway edge drains are presented.The recommendations are based on results from excavations made to evaluate the performance of various types of geosynthetic edge drains at selected locations on Ontario's highways.
Design recommendations for retrofitted highway edge drains are presented.The recommendations are based on results from excavations made to evaluate the performance of various types of geosynthetic edge drains at selected locations on Ontario's highways.
问题解答：
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