In this new standard, the classification of microstructure and measurement of the thickness of hardened layer via the expression of hardness have been stipulated.
在新标准中，规定了金相组织的分级和用硬度法测定硬化层深度。
In this new standard, the classification of microstructure and measurement of the thickness of hardened layer via the expression of hardness have been stipulated.
在新标准中，规定了金相组织的分级和用硬度法测定硬化层深度。
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