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来源:雅诚德英语网
With fewer than 700 cars per lane per hour on a four lane highway, generally the flow of traffic is unimpeded.[1]
在一条4道高速公路上,当每小时少于700辆车的流量,一般来说交通是顺畅的。
With fewer than 700 cars per lane per hour on a four lane highway, generally the flow of traffic is unimpeded.[1]
在一条4道高速公路上,当每小时少于700辆车的流量,一般来说交通是顺畅的。