Quality assurance is not confined to a single activity or group of activities performed by a designated role.

质量活动不是被限制为由一个指定的角色执行的一个单一活动或一组活动。

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And in the workshop, every link in manufacturing process is sterilized so that every single product possess superhard quality assurance.

且对生产车间，制作流程等各个环节进行杀菌消毒，使公司生产每一件产品都有着过硬的质量保证。

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