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1984年3～4月本人受中国航空技术进出口公司的派遗赴美国接受NDT人员射线探伤、磁粉探伤、渗透探伤等三种方法Ⅱ级人员资格鉴定考试。在美国期间本人除参加Ⅱ级人员考试外,并对美国NDT人员培训及资格鉴定,现场探伤情况进行了考察。无损检测作为一门新兴的技术学科,在美国已经得到高度重视,而且已经成为各个工业部门必不可少
From March to April 1984, I was sent by the China Aviation Technology Import and Export Corporation to the United States to accept NDT personnel ray flaw detection, magnetic particle inspection, penetrant flaw detection and other three methods of Level II qualification examination. In the United States, I not only participated in the examination for Grade II personnel, but also conducted a survey on the training, qualification and field testing of NDT personnel in the United States. Non-destructive testing as an emerging technology discipline has gained great attention in the United States and has become indispensable to various industrial sectors