According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.

上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。

Butt contact and angular contact welding seam corrosion detection sensors were designed respectively.

分别设计了适合对接和角接焊缝腐蚀检测的两种传感器。

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。