CHEN, Jian. The Application of Ultrasonic Nondestructive Testing Technology in Refrigeration Pipeline. International Core Journal of Engineering, [S. l.], v. 11, n. 1, p. 88–92, 2024. DOI: 10.6919/ICJE.202501_11(1).0009. Disponível em: https://bcpublication.org/index.php/ICJE/article/view/7776. Acesso em: 24 apr. 2026.