The title powders for putty, through trial and practical production and large scale application has shown desirable performance.
经过对原子灰用粉料反复试验和大规模工业生产及应用，达到了预期的良好效果。
The results of trial production and practical application indicate that this oil can reach the level of same kind of products abroad and be used for the premium rubber articles.
经工业试生产及油品实际使用，证明该油品已达国外同类产品的水平，可用于高档橡胶制品中。
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