Isbn: 9787122259363 - 全新正版 图解低压电器选用与维护 孙克军 刘骏 9787122259363 化学工业出版社缘为书来图书专营店 (1 risultati)

paperback. Condizione: 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. …