同时为去除氧化脱碳层还要耗费人力、物力。
Furthermore, it will cost too much labor and money to remove the oxidation -decarbonization-layer.
本文就稀土对盐浴防氧化脱碳的作用进行了研究。
The effect of rare-earth elements to prevent oxidation and decarburization in heat treating salt bathshas been discussed.
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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