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
,所
究的棕刚玉
是
种优质的中性抗粘
,适用于粘土、水玻璃及树脂自硬的铸型和型芯.
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.
试验结果表,所究的棕刚玉是种优质的中性抗粘,适用于粘土、水玻璃及树脂自硬的铸型和型芯.
声
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