... seam damage 缝纫损伤 seam detector 线缝探测器 seam elongation 缝纫伸度 ...
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weld seam detector 焊缝检测仪
electronic seam detector 电子裂缝检查仪
electronic organ seam detector 线缝电子探测器
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A moving utensil for portable ultrasonic probe which is made of chargeable electronic screwdriver is introduced, and it can be used to assist detector to detect steel butt-joint welding seam.
介绍一种利用充电电动螺丝批改制的轻便手持式超声波探头移动器，可辅助检测人员进行钢板对接焊缝的超声波检测工作，从而提高检测工作效率、减轻工作强度。
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