配管用材
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material for piping engineering
管道工程材料
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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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