因此，一定要建立和健全必要的规章制度。
Therefore, it is imperative to establish and improve essential rules and regulations.
按照体系要求，建立和健全无损检测质量保证系统，加强无损检测制度的管理。
Set up and maintain NDT Quality Assurance System according ISO requirements. Deepen NDT procedure management.
结论云南省碘缺乏病实验室质控网络还不够健全，急需建立和健全质控网络系统。
Conclusions Yunnan IDD laboratory quality control network is not so perfect, thus it urgently needs to be reinforced.
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