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一、前言钢轨质量对确保交通运输机车或运输设备的安全是非常重要的。近年来,对于钢轨质量的要求也严格了。强烈希望充实制造广的检查体制。为了满足这些要求,日本钢管公司福山厂一直在积极地开发作
I. INTRODUCTION Rail quality is very important to ensure the safety of transport locomotives or transport equipment. In recent years, the requirements for rail quality are also strict. Strongly hope to enrich the manufacturing inspection system. In order to meet these requirements, the Japanese steel company Fukuyama plant has been actively developed