杨霞 & 刘桂秋. (2017). 电气控制及PLC技术: Electrical control and PLC technology. 清华大学出版社.
Dyfyniad Arddull Chicago杨霞 and 刘桂秋. 电气控制及PLC技术: Electrical Control and PLC Technology. 清华大学出版社, 2017.
Dyfyniad MLA杨霞 and 刘桂秋. 电气控制及PLC技术: Electrical Control and PLC Technology. 清华大学出版社, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.