PDF(419538 KB)
On ultrasonic inspection methods of crack like flaws of oil drill rod*
Ju Xi-Min1,Zhang Jian- Xun1,Jia Peng一Jun2** ,Ju Jia3
Journal of Nanjing University(Natural Sciences) ›› 2013, Vol. 49 ›› Issue (1) : 13-19.
PDF(419538 KB)
PDF(419538 KB)
On ultrasonic inspection methods of crack like flaws of oil drill rod*
({{custom_author.role_en}}), {{javascript:window.custom_author_en_index++;}}| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |