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一、前言 钢轨在使用过程中的偶发脆断事故,给人民的生命财产将带来极为严重的危害。探明这类钢轨偶发脆断机制是生产和使用部门十分关心的问题。这也就是本文研究的主要目的。
I. INTRODUCTION Accidental brittle accidents in the course of using rails prejudice the life and property of the people and bring about extremely serious harm to them. It is a matter of great concern for the production and use departments to prove that such rail accidental brittle fracture mechanism. This is the main purpose of this study.