quality control
noun [ C or U ] uk/ˈkwɒl.ɪ.ti kənˌtrəʊl/ us/ˈkwɑː.lə.t̬i kənˌtroʊl/
质量控制,质量管理
the process of looking at goods when they are being produced to make certain that all the goods are of the intended standard
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