Reason analysis and improvement measures of difficult start and shutdown during returning handle of DF_4 locomotives due to lower lubricating oil pressure 东风4型机车因机油压力低造成起动困难和回手柄停机故障的原因分析及改善措施
In the code, a startup event and a shutdown event are raised, and methods are included in the generated project code to handle these events. 在代码中,将引发一个启动事件和一个关闭事件,在生成的项目代码中包含相应的方法以处理这些事件。