This paper describes the compiling background, main content and research on important technical problems, and explains the mandatory provisions in detail.
介绍了该规范的编制工作背景、主要内容以及对重点技术问题的研究，并对规范的强制性条文作了详细阐述。
This paper describes the compiling background, main content and research on important technical problems, and explains the mandatory provisions in detail.
介绍了该规范的编制工作背景、主要内容以及对重点技术问题的研究，并对规范的强制性条文作了详细阐述。
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