分析了引起光谱分析误差的主要因素，如试样脱碳层深度、表面粗糙度、描迹等。
It analyzed main factors of arising spectrum analysis error which including specimen decarburization layer depth, surface roughness, describing, etc.
试生产的盘条组织性能稳定，脱碳层薄，晶粒细小，夹杂物含量低，表面质量良好。
The trial produced rod is with stable tissue, decarbonization film thin, crystal particle tiny, slag little, and surface quality better.
必须进行粗加工以去除原材料轧制过程中的表面氧化脱碳。
Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.
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