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| 曼内斯曼冲浪板形试样夹杂物超声波检测 (【技】铸坯夹杂物检测法之一。首先沿铸坯横截面方向截取一段铸坯试样，然后轧扁展宽，形如冲浪板，使其中的夹杂物被压扁伸长，以利后续的超声波检测。) | |||
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