化学气相沉积的碳化物镀层一般很耐磨，但这些表面层镀后的粗糙度较高，会使与之相配的试件受到剧烈磨损。
In general, the carbide coating of chemical vapour deposition resists wear. But these surface coatings have a high roughness, which causes violent wear in the matched test pieces.
化学气相沉积的碳化物镀层一般很耐磨，但这些表面层镀后的粗糙度较高，会使与之相配的试件受到剧烈磨损。
In general, the carbide coating of chemical vapour deposition resists wear. But these surface coatings have a high roughness, which causes violent wear in the matched test pieces.
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