ISBN: 9787122259363 - 电工实战丛书--高压电工技能速成与实战技巧 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date:2016-03-01 Pages:239 Language: Publisher: Chinese Chemical Industry Press book is a brief introduction to the performance of a variety of commonly used low-voltage electrical appliances and the basic structure. working principle and main purpose. classification. characteristics. focuses on the knife switch. fuse. circuit breaker. contactor. relay. electrical leakage protector. master. …