The equilibrium relationship and composition of three solid solutions at the low Cu region in the Al-Zn-Cu ternary system has been investigated by means of diffusion couple-EPMA technique.是什么意思_The equilibrium relationship and composition of three solid solutions at the low Cu region in the Al-Zn-Cu ternary system has been investigated by means of diffusion couple-EPMA technique.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句