A modification mas made to a current brinell hardness tester so that it can be used to test hardness of soft material under the condition of F/D 2=15 according to ASTM E10.是什么意思_A modification mas made to a current brinell hardness tester so that it can be used to test hardness of soft material under the condition of F/D 2=15 according to ASTM E10.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句