cast iron matrix surface composites 铁基表面复合材料
It could be applied to blackening treatment for iron and steel or cast iron surface.
适用于铸铁及钢铁表面的发黑处理。
The Cast Iron Surface Plate can be classified as Grade 0, 1, 2, 3, 4 according to the national standard metrological verification procedures.
铸铁平台精度：按国家标准计量检定规程执行，分别为0,1,2,3级四个级别。
According to the surface abrasion form of cast iron seal ring, the author proposed that composite brush plating can effectively repair and strengthen the mating surface of cast iron seal ring.
根据铸铁密封环的表面磨损形式，提出采用复合刷镀技术可有效修复和强化铸铁密封环的配合面。
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