The effective operation of quality system and the effective work of quality system certification organizations are the key to the effectiveness of quality system.
而质量体系运行的有效性、认证机构认证工作的有效性是保证质量体系有效性的关键。
It is introduced that how Tangshan Iron and Steel Group Company passed through the authentication of ISO9002 Quality System and ensure its effective operation.
介绍了唐山钢铁(集团)公司是如何通过ISO 9002质量体系认证并确保质量体系有效运行的做法。
The research results shown that filtration process with reliable and economical operation would be effective in the scenery water quality safeguard system of reclaimed water.
研究表明，采用过滤系统作为再生水景观功能的水质保障系统具有处理效果好、运行经济的特点。
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