New material has been gradually used in piping engineering in recent years.
近年来，管道工程中的新材料已经逐步开始工程使用。
The key points in the substitution of the material made in China for that made abroad in the piping engineering were discussed in this article.
探讨了在工程项目配管选材中，用我国材料标准替代国外材料标准时，应注意的问题。
The key points in the substitution of the material made in China for that made abroad in the piping engineering were discussed in this article.
探讨了在工程项目配管选材中，用我国材料标准替代国外材料标准时，应注意的问题。
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