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近10年来,国外路面机械的发展相当迅速。因为汽车拥有量日益增加,原有的道路已不能满足要求,且日益成为这些国家的沉重包袱,必须得到迅速解决。以汽车拥有量不算最多的法国为例,仅巴黎这个只有259万人口的城市,前几年有人用高空摄影的方法统计,市区内就有80多万辆汽车在街道上行驶。据1966年的资料,巴黎凯旋门广场每天通过的汽车就有20多万辆,小时通过量达15,000辆左右。由
The past 10 years, the development of foreign pavement machinery is quite rapid. Because of the growing car ownership, the original path can no longer meet the requirements and is increasingly becoming a heavy burden on these countries and must be promptly resolved. For example, in France, where the car ownership is not the largest, only 259 million people live in Paris. In the past few years, some people used aerial photography to calculate that there were over 800,000 vehicles in the urban area on the streets. According to the information of 1966, more than 200,000 cars pass through the Arc de Triomphe in Paris every day, with an hourly throughput of 15,000 vehicles. by