试题与答案

目前,板厚3~8mm薄板焊缝的超声波探伤常采用()法,此法所用斜探头的声场应()。

题型:填空题

题目:

目前,板厚3~8mm薄板焊缝的超声波探伤常采用()法,此法所用斜探头的声场应()。

答案:

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