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产品质量认证
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产品质量认证
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product quality certification
产品质量认证
经认证机构确认并通过颁发认证证书和认证标志来证明某一产品符合相应标准和相应技术要求的活动。国际标准化组织(ISO)的定义是:由可以充分信任的第三方证实某一产品或服务符合特定标准或其他技术规范的活动。又称产品认证、合格认证。
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water supply project management
water supply system
water supply system for fire fighting
water supply system of hydropower station
water supply system of laboratory
water supply system of outdoor
water supply system of production
water supply type
water surface leveling
water surface slope discharge measurement
water surface traction test
water surge
water survey
water swelling strip
water system layout in garden
water system of hydropower station
water system planning
water table depth
water tariff
water temperaturein marginal sea of China
water temperature measuring instrument
water temperature observation
water test
water thawing equipment
water-tight
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