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超声Ⅰ级(高级)操作及论文答辩研讨班于4月8日～14日在天津举办,研讨班结束后,全国考委会于4月15日～19日对考生举行了论文答辩和操作考试。操作考试是限于45分钟内探完一块300mm长的焊缝试板。针对考生提出的问题作出了如下一次性规
Ultrasound Ⅰ (Advanced) operation and essay defense seminar was held in Tianjin from April 8 to April 14. After the seminar, the National Committee on April 15 to April 19 held a thesis defense and operation exams . The operation test is limited to probing a 300mm long weld test plate in 45 minutes. Candidates for the issue made the following one-time rules