rail crack的意思|示意

The existence of grey spot may cause brittle crack of the joint, therefore, controlling grey spot occupy a decisive position to ensure the quality of rail resistance welding.

灰斑的存在易导致接头的脆性断裂。因此，控制灰斑对保证钢轨接触焊质量举足轻重。

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。

With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.

随着起重机运行时产生的冲击和振动，可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。