Isbn: 9787112139149 - 施工现场临时用电安全技术 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 190 Language: Chinese. Construction site temporary electrical safety technology. according to the latest national policy. regulations. standards. specifications. combined with construction workers construction experience accumulated over the years to write. has a strong relevance and application sex. Construction site temporary electrical safety technology. the combination of theory and practice. more emphasis on the use of practical experience; structural system. focu.…