The results have shown that the brown alundum coatings are high-class neutral refractory coatings and are used with success in iron and steel cast-ings.
试验结果表明,所研究
棕刚
涂料是
种优质中性抗粘砂涂料,适用于粘土砂、水玻璃砂及树脂自硬砂铸型和型芯.
标；刚铝
标The results have shown that the brown alundum coatings are high-class neutral refractory coatings and are used with success in iron and steel cast-ings.
试验结果表明,所研究棕刚涂料是种优质中性抗粘砂涂料,适用于粘土砂、水玻璃砂及树脂自硬砂铸型和型芯.
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