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surfboard (【技】一种用于超声波检测的连铸坯试样。首先沿铸坯横截面方向截取一段铸坯试样，将其轧扁延展，形如冲浪板，使试样中的夹杂物被压扁伸长，然后对其进行超声波检测。: ① Spherical inclusions assume the elliptical contour of the surfboard after rolling. 球状夹杂物在轧制后获得的冲浪板形试样中呈椭圆形。② Five surfboard specimens were taken across the slab width for the purpose of substantiation and, this revealed that the strand half from the "no flow" side exhibited excellent cleanness. 为了证实这一点，沿板坯宽度方向取5个冲浪板形试样。检测结果表明：(结晶器内)铸坯"无流动"的一半具有相当高的洁净度。); surfboard specimen (【技】一种用于超声波检测的连铸坯试样。首先沿铸坯横截面方向截取一段铸坯试样，将其轧扁延展，形如冲浪板，使试样中的夹杂物被压扁伸长，然后对其进行超声波检测。: ① Spherical inclusions assume the elliptical contour of the surfboard after rolling. 球状夹杂物在轧制后获得的冲浪板形试样中呈椭圆形。② Five surfboard specimens were taken across the slab width for the purpose of substantiation and, this revealed that the strand half from the "no flow" side exhibited excellent cleanness. 为了证实这一点，沿板坯宽度方向取5个冲浪板形试样。检测结果表明：(结晶器内)铸坯"无流动"的一半具有相当高的洁净度。) |
