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Terms for subject General containing Rockwell | all forms | exact matches only
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HR c Rockwell C标洛氏硬度
HRA Rockwell A标洛氏硬度
HRb Rockwell B标洛氏硬度
HRF Rockwell F标洛氏硬度
North-American Rockwell Micro Electronics Co.北美洛克威尔微型电子设备公司
Rockwell hardness number洛氏硬度〔数〕