所屬欄目:建筑施工英語(yǔ)
Modernroadsystemsevolvedovermanyhundredsofyearsoutofthenetworkofroutesthatlinkedvillagesandtownshipsacrossthelengthandbreadthofeverycountry.Inearlytimes,thefarmerscartthreadeditswaybetweenfields,skirtingwoods,avoidingwater,andseekingthemostconvenientroute ......(本文共 5695 字 ) [閱讀本文] >>