“plastic Rockwell hardness tester”的概念、定义、翻译、参考文献-科学参考

单词	plastic Rockwell hardness tester
释义	plastic Rockwell hardness tester Encyclopedia 工学硬度计释 plastic Rockwell hardness tester塑料洛氏硬度计测定材料塑料洛氏硬度值的试验机。
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