系统掌握异形建筑幕墙的特点和施工技术难点，并在施工过程中注意质量控制点是十分重要的。
It's important for us to research on its characteristics and put emphasis on quality control in the process of construction.
结论：多种因素均对NAP实验结果构成影响，各实验室应根据自身实验条件而建立参考范围且实验过程中应注意质量控制。
Conclusion: Many factors could affect the results of NAP, clinical lab should establish the reference interval depending on self-conditions and pay attention to the quality control.
本文通过工程实例，探讨了在进行城市地下排水管线探查的质量控制中需要注意的问题，以供参考。
This paper gives us a helpful solution by examples of the problems during quality control of inspection in city underground drainage pipeline.
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