中文译文
可编程逻辑控制器 PLC 面试问答，实用工业现场面试。 Siemens PLC 和 ABB PLC 型号问答。 冷轧机中 PLC 工作的面试问答。
English original
Programming Logic Controller PLC interview questions and answers practical interview industrial based. Siemens PLC and ABB PLC models Q and A. PLC working in Cold Rolling Mill interview questions and answers.