welding qualification
焊接工艺评定
welding qualification是什么意思
2个回答
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qualification 动词
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what qualifications will you need to do this job?这里的qualific
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英语翻译Resistance spot welding (RSW) is a resistance welding pr
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the ability of welding operators to make sound welds 怎么翻译,其中
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you lost your qualif
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testing and qualification input
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英译汉,不要机翻!Resistance welding is a group of welding processes