wwwxxxx日本,国产精品九九,日日夜夜免费视频,亚洲无av码在线中文字幕

道路設(shè)計-----外文翻譯.doc

約13頁DOC格式手機(jī)打開展開

道路設(shè)計-----外文翻譯,history of road designfirstly let me apologise for this page. it is largely text based due to the nature of it and if reading is difficult then i am sorry. this...
編號:13-270951大小:51.50K
分類: 論文>外文翻譯

內(nèi)容介紹

此文檔由會員 wanli1988go 發(fā)布


History of Road Design
Firstly let me apologise for this page. It is largely text based due to the nature of it and if reading is difficult then I am sorry. This is due solely to the material covered and is the only page in the series. This is not typical as the rest have graphics or images to keep you amused. Secondly this page is very much a history of road building in the United Kingdom.
The first road builders of any significance in Western Europe were the Romans, who saw the ability to move quickly as essential for both military and civil reasons. It is from the Romans that the term highway comes as all their roads were elevated 1m above the local level of the land. This was to minimise the risk of an ambush, as was the best known characteristic of the roads, their lack of corners. The standards set by


道路設(shè)計的歷史
首先,讓我對本欄目作一介紹。由于本文基本上是以自然知識為基礎(chǔ),所以如果讀起來感到困難的話,我感到抱歉。這是由于本文僅僅涉及本專業(yè)的材料背景和理論知識,而不像一般的帶有圖解的或圖像的文章那樣可以使你保持興趣。第二,這個專欄是一段有關(guān)歐洲筑路的歷史。
在西歐諸國中,第一個開始修筑道路的是那些羅馬人,他們注意到很快地移動對軍隊和公民的都是必要的。那些具有標(biāo)志性的公路是羅馬人將全部的地區(qū)級道路提升1m后形成的。這些將減小伏兵埋伏的風(fēng)險,照現(xiàn)在的樣子也可以看到道路的最顯著的特征就是很少有轉(zhuǎn)彎處。按照羅馬人制定的標(biāo)準(zhǔn),以后修建的道路一直是那樣直到羅馬帝國消失。
97成人精品一区二区三区| 找毛片网址| 日韩老孰女| 影视先锋av资源| 日韩亚洲综合在线| 亚洲一区二区三区无码久久 | 五月婷婷综合一区二区| 大学生无码精品| 亚洲AV永久综合在线观看尤物 | 人妻干网| 中文字幕人妻被公上司喝醉| 一级片一级片a级片| wwwsequ国产极品内射| 精选无码人妻| 亚洲中文字幕无码网址| 欧美A∨亚洲欧美亚洲| 先锋影音在线麻豆视频| 神马午夜无码精品区| 欲色欲色天天天www| 精品国产swag| 久久亚洲精品亚洲| 婷婷成人丁香五月综合激情| 欧美 高清 一区| 精品久久久久久久夜夜| 少妇仑乱A毛片| 中文字幕亚洲综合久久青草| 日韩美女高潮| 人妻色综合天天| 最新偷拍| 男女又爽 又黄 视频| 色丁香综合图片网| 99久久免费精品国产72精品九九| 不卡欧美一区| 日韩欧美一级影视| 黄色三级带| 久久男人站| 亚洲无码福利视频| 黄色网站偷偷九九| 国产在线精品一区二区不卡麻豆| 熟女综合熟女综合一区| 亚洲日韩成人在线|