Isbn: 9787511410139 - 磁性记忆检测技术及工程应用邢海燕 等9787511410139中国石化出版社 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2011 Pages: 112 Language: Chinese in Publisher: China Petrochemical Press magnetic memory detection technology and engineering applications extracted from the magnetic memory testing technology Geely. signal analysis and fault characteristics start for magnetic memory signal weak magnetic the proposed ferromagnetic material defects features quantitative analysis method. Colleagues. focusing on the theory and practice of closely integrated. from oil drilling. sucker rod. p.…