标题: BS EN 10160-1999 Ultrasonic testing of steel flat product of thickness equal or [打印本页] 作者: lyklzy 时间: 2015-11-26 12:25:46 标题: BS EN 10160-1999 Ultrasonic testing of steel flat product of thickness equal or
BS EN 10160-1999 Ultrasonic testing of steel flat product of thickness equal or greater than 6mm (reflection method)