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1问题的提出工线函[2003]19号文规定“凡下道轨经整修后重新铺设上道的必须是经探伤未发现伤损的钢轨(简称整修轨)”,以确保铺设整修轨线路的行车安全(下图左侧是整形机、右图为待探伤整修轨)。
1 issue of workers line letter [2003] No. 19 provides that “under the rail after renovation and re-laying on the road must be detected by the test did not find any damage to the rails (referred to as the renovation rail)” to ensure the laying of repair rail lines Of the traffic safety (the figure below is the plastic machine on the left, the right to be renovated repair rails).