It is showed by the analytical results that ultrasonic wave in non-destruction and micro - destruction of the built structure is applied widely.
分析了超声波对混凝土结构和钢结构内部缺陷的检测，分析结果表明，超声波在已建结构非破损、微破损检测中有着广泛的应用。
It is showed by the analytical results that ultrasonic wave in non-destruction and micro - destruction of the built structure is applied widely.
分析了超声波对混凝土结构和钢结构内部缺陷的检测，分析结果表明，超声波在已建结构非破损、微破损检测中有着广泛的应用。
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