With the addition of a trace of rare earth element Y, microhardness of Cu-Cr-Zr alloy increases about 9HV, while electrical conductivity slightly decreases about 3%IACS.是什么意思_With the addition of a trace of rare earth element Y, microhardness of Cu-Cr-Zr alloy increases about 9HV, while electrical conductivity slightly decreases about 3%IACS.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句