welding examination是什么意思


中文翻译焊工考试

网络释义

1)welding examination,焊工考试2)welder,焊工3)pile-up welding technology,堆焊工艺4)brazing technology,钎焊工艺5)testing method to torch-brazing workers,焊工考核6)tack welding process,预焊工艺

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