Construction was as much a drainage project as a road building effort.On average 13 culverts per mile were used, totaling 105 miles of pipe.是什么意思_Construction was as much a drainage project as a road building effort.On average 13 culverts per mile were used, totaling 105 miles of pipe.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句