Isbn: 9787111366492 - 建筑电工入门问答/电工入门问答丛书 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 283 Language: Chinese. Construction Electrician Questions and Answers is one of the Electrician Q & A Series. Construction Electrician Questions and Answers in 11 chapters. covers the basic knowledge of the construction electrician. low voltage overhead lines. cable lines. indoor distribution lines. power distribution equipment. motor and low-voltage electrical appliances. electrical lighting fixtures and fans. lightning protection and grounding devices. fire alarm and.…