The freezing mechanics, characteristic and influence on structure of plasma-jet surface metallurgy have been analyzed in full.
详细分析了等离子束表面冶金熔池的凝固机理、凝固特征及对凝固组织的影响。
Based on analysing the background of appearance of dig ital library, the article introduced digital library's concept and characteristic and influence on traditional library.
本文在分析数字图书馆产生的背景的基础上，介绍了它的概念和特征及其对传统图书馆的影响。
This paper discusses detailedly the waterproof characteristic of coal ash, and the proportion and influence factor considering in construction.
本文详细论述了粉煤灰的防水特性，在施工中应考虑的配合比及其影响因素。
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