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Prestressed Concrete is a kind of concrete component mainly used in construction engineering and bridge engineering.…

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Manganese silicide (also known as manganese silicide) is also called MnSi2. Its chemical formula, which is MnSi2, is the same. MnSi2 Powder is used in cemented carbide additives and high-temperature structures materials. Purity: 99%Particle size 5-10…

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