Here is the English translation of the given content: "Online work electrician training materials"

Author: [Liu Shukai, Editor-in-Chief]
Publisher:
Publish Date: 2003-01-01
Features: This book covers basic electrical knowledge, power supply and distribution systems, power lines, transformers and current transformers, motors, high-voltage apparatus, low-voltage apparatus, relay protection and secondary circuits, as well as electrical instruments and measurement.