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通过对铁道客车制动盘的超声波检测,分析探伤中出现盘体底面回波后移现象的原因,并给出了对该问题的检测方法和评价。
Through the ultrasonic testing of the brake disk of railway passenger car, the reason of echo back phenomenon on the bottom of the plate body during the flaw detection is analyzed. The detection method and evaluation of the problem are given.