“plastics ball indentation hardness”的概念、定义、翻译、参考文献-科学参考

单词	plastics ball indentation hardness
释义	plastics ball indentation hardness Encyclopedia 工学硬度计量释 plastics ball indentation hardness塑料球压痕硬度在塑料球压痕硬度试验中，以主试验力除以压痕表面积的商作为硬度值的硬度指标。
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