Abstract: Gas shielded flux cored wire is used in the domestic railwayfreightcar industry.
摘要：气体保护药芯焊丝在国内铁路货车行业应用较少，目前主要采用气体保护实心焊丝。
2
The testing result shows that it has certain feasibility to inspect the troubles in railwayfreightcar rolling bearings with the AE diagnostic method.
试验结果表明，将AE诊断法用于检测铁路货车滚动轴承故障具有一定的可行性。
3
The invention relates to a locking mechanism of a railwayfreightcar, in particular to a locking device arranged on a lower side door of a rail freight gondola car.