It analyzed main factors of arising spectrum analysis error which including specimen decarburization layer depth, surface roughness, describing, etc.
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。
Is hardness tested on a surface that has been ground to remove decarburization?
硬度检测是否在去除了氧化皮的表面上进行？
Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.
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。
There is no central segregation or decarburization and defects on the surface.
无明显中心偏析、表面脱碳和缺陷。
There is no central segregation or decarburization and defects on the surface.
无明显中心偏析、表面脱碳和缺陷。
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