将各类铁路运输第三人伤亡事故的风险值按照以上分类进行排序，(2)和(3)中的主要事故就是降低铁路运输第三人安全风险应把握的重点环节。

Orders the risk values of every kind of accidents according to the classify method. Then the main accidents in (2) and (3) are crucial to reduce the risk of railway transportation third party.

youdao

将各类铁路运输第三人伤亡事故的风险值按照以上分类进行排序，(2)和(3)中的主要事故就是降低铁路运输第三人安全风险应把握的重点环节。

Orders the risk values of every kind of accidents according to the classify method. Then the main accidents in (2) and (3) are crucial to reduce the risk of railway transportation third party.

youdao