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
,所研究的棕刚玉涂
是
种优质的中性抗粘砂涂,
于粘土砂、水玻璃砂及树脂自硬砂的铸型和型芯.
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,所研究的棕刚玉涂是种优质的中性抗粘砂涂,于粘土砂、水玻璃砂及树脂自硬砂的铸型和型芯.
声
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