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短语

quality certification

养鱼 certificación de calidad
quality certification The formal assertion in writing that a commodity, service or other product has attained a recognized and relatively high grade or level of excellence
环境 certificación de calidad
quality-certification
: 8 短语, 6 学科
一般2
材料科学1
组织机构名称2
经济1
行业1
财政1