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ban ma xian de you lai
Author(s): 
Pages: 35
Year: Issue:  4
Journal: Auto Application

Keyword:  斑马线城市道路罗马时代人行横道线城市交通减速避让19世纪蒸汽汽车意大利行人;
Abstract: <正> 1.在古罗马时代,意大利庞贝古城的一些街道上人、马、车混行,交通经常堵塞,事故不断发生。
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