welding process qualification test
... 声波发射acoustic emission(AE) 焊接工艺评定实验welding process qualification test 焊接功能评定实验welding performance qualification test ...
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welding process qualification test
焊接工艺鉴定试验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.
如需重新获得资质，则该焊工需要遵照QW - 301和QW - 302的要求，在一个板材附件试片，或一个管材附件试片上，进行焊接试验。
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