简要地介绍了国外近年来有关钢轨钢的交变形变，疲劳裂纹的萌生，扩展、阻滞等方面的研究试验。
The researches and tests recently performed abroad on cyclic deformation behaviors, crack initiation, crack propagation and crack retardation properties of rail steels are introduced briefly.
简要地介绍了国外近年来有关钢轨钢的交变形变，疲劳裂纹的萌生，扩展、阻滞等方面的研究试验。
The researches and tests recently performed abroad on cyclic deformation behaviors, crack initiation, crack propagation and crack retardation properties of rail steels are introduced briefly.
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