...铝博士_最新_最全面的技术信息平台 关键词: 轨道客车,先穿条后时效,纵向抗剪特征值 [gap=268]Keywords :Rail passenger car,First wearing strip and then aging,Longitudinal shear characteristic value ..
基于6个网页-相关网页
This paper discusses vibration test method for urban rail passenger car body structure.
介绍了城市轨道客车车体结构的振动试验方法。
An off-duty police officer tried in vain to prevent Saturday's crash of a 300-passenger train that hit a car at a rail crossing in southern England, killing seven people, police say.
据警方透露,本周六一辆载有三百多名乘客的火车在英格兰南部的一个路口与一辆小汽车相撞造成七人死亡。一名已下班的警察曾试图阻止这一事故,但未能成功。
"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."
VOA: standard.2010.02.15
应用推荐