The levels of application and judgment of fully automatic ultrasonic detecting technique were further improved to strictly control welding quality.
提高全自动超声波检测技术的应用和判别水平，严格控制焊接质量；
The levels of application and judgment of fully automatic ultrasonic detecting technique were further improved to strictly control welding quality.
提高全自动超声波检测技术的应用和判别水平，严格控制焊接质量；
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