WANG Yonghua. Modern Electrical Control and PLC Application Technology [M]. Beijing: Beijing University of Aeronautics and Astronautics Press, 2013.

[3]王永华。现代电气控制及PLC应用技术[M]。北京：北京航空航天大学出版社，2013。

youdao

WANG Yonghua. Modern Electrical Control and PLC Application Technology [M]. Beijing: Beijing University of Aeronautics and Astronautics Press, 2013.

[3]王永华。现代电气控制及PLC应用技术[M]。北京：北京航空航天大学出版社，2013。

youdao