Normal stretching property and eletrical conductivity of 7475 aluminum alloy under the conditions of double aging and regression re-aging(RRA) are measured.是什么意思_Normal stretching property and eletrical conductivity of 7475 aluminum alloy under the conditions of double aging and regression re-aging(RRA) are measured.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句