“welding qualification and certification”的概念、定义、翻译、参考文献-科学参考

单词	welding qualification and certification
释义	welding qualification and certification Encyclopedia 工学金属焊接释 welding qualification and certification焊接资格认证按照从事焊接行业所必需的技能标准或任职资格条件，通过政府或国际认可的考核机构对劳动者的技能水平进行评价和鉴定，并对合格者授予焊接技术资格证书的活动。
随便看	treatment of abnormal data treatment of abnormal data; treatment of outliers treatment of acute blister agents poisoning treatment of acute choking agents poisoning treatment of acute incapacitating agents bz poisoning treatment of acute irritant agents poisoning treatment of acute leukemia in children treatment of acute nerve agents poisoning treatment of acute systemic toxic agents poisoning treatment of aliens treatment of anti-plant agents poisoning treatment of aquaculture wastewater treatment of aquaculture wastewater by In-situ bioremediation technology treatment of aquaculture wastewater by In-situ chemical remediation technology treatment of aquaculture wastewater by In-situ physical remediation technology treatment of cancer pain treatment of chemical cleaning waste treatment of chemical industrial wastewater treatment of chemical water in pot treatment of chemical water out pot treatment of circulating water by wetland ecology treatment of closed circuit industrial cooling water treatment of coal pile runoff treatment of coking waste water treatment of coking wastewater

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