The principle of the method for industrial VT phosphor magnetic powder detection that is made of camera tube, monitor and information processor, and its characteristic and field of application are introduced.
并介绍了由紫外灯、摄象管、监视器和信息处理器等构成的工业电视荧光磁粉探伤法的原理、特点和应用范围。
'i'll snowboard alongside [ clients] with my camera firing away and get a sequence of shots of them doing big turns and the spray flying off of the powder,' he says.
他说,我会跟着[客户]一边滑雪一边不停拍照,拍下一系列他们做出大回转,雪尘飞溅的照片。
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