机动车事故的晚期效应
Sequelae of motor-vehicle accident
机动车事故死亡率
motor vehicle accident
motor vehicle-related mortality
机动车道路交通事故
motor vehicle traff ic accidents
机动车交通事故
motor vehicle accidents
motor vehicles traffic accidents
Motor Vehicle Traffic Accidents MVTA
traffic accident
柴油机机动车
diesel engine road vehicle
事故／事故征候调查
accident and incident investigation
《关于新型机动车的试验方法》
type approval test procedures
JY600型地铁及轻轨用内燃调车机车
JY600 shuting diesel locomotive for metro and light railway