共 50 条
- [11] IQIS AND PIPE WELD RADIOGRAPHY BRITISH JOURNAL OF NON-DESTRUCTIVE TESTING, 1993, 35 (12): : 714 - 715
- [14] Automatic ultrasonic testing system for the butt weld zone of gas pipe lines Mater Sci Forum, pt 2 (799-806):
- [16] An automatic ultrasonic testing system for the butt weld zone of gas pipe lines NONDESTRUCTIVE CHARACTERIZATION OF MATERIALS VII, PTS 1 AND 2, 1996, 210-2 : 799 - 806