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1981年国外举办了三次大型焊接展览,即四月上旬与美国焊接学会第62届年会同时举办的克利夫兰焊接展览,四月中旬日本东京的国际焊接展览和九月中旬西德埃森的国际焊接展览。从近期发表的文献和世界焊接界对上述三次展览的评价来
In 1981, three large-scale welding exhibitions were held abroad, that is, the Cleveland Welding Exhibition held concurrently with the 62nd Annual Meeting of the American Welding Society in early April, the International Welding Exhibition in Tokyo in April and the International Welding Exhibition in West Essen in mid-September exhibition. From the recently published literature and the world’s welding community on the evaluation of the three exhibitions