针对弧形触点的钎焊质量检测问题，首先建立了弧形触点的超声c扫描图像模型。
Aimed to the testing problem of brazing quality of arc surface electric contact, its ultrasonic C-scan image model was built firstly.
针对弧形触点的钎焊质量检测问题，首先建立了弧形触点的超声c扫描图像模型。
Aimed to the testing problem of brazing quality of arc surface electric contact, its ultrasonic C-scan image model was built firstly.
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